.hide-partial { max-height: none; } .show-more { display: none; }

STMicroelectronics Embedded Processors & Controllers

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Embedded Processors & Controllers

List Images

Results: 5,723

Applied Filters:

Brand = STMicroelectronics

Product Type

Mounting Style

Package/Case

Core

Data Bus Width

Maximum Clock Frequency

Program Memory Size

L1 Cache Instruction Memory

L1 Cache Data Memory

Data RAM Size

ADC Resolution

Number of I/Os

Minimum Operating Temperature

Maximum Operating Temperature

Qualification

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 TZ MCU 100 MHz 2 Mbytes Flash BLE 5.4 Zigbee

STM32WBA63CIU6
STMicroelectronics
1: ₹702.58
2,656In Stock
New Product

Mfr. Part No.
STM32WBA63CIU6

Mouser Part No
511-STM32WBA63CIU6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 TZ MCU 100 MHz 2 Mbytes Flash BLE 5.4 Zigbee

Learn More

Datasheet

2,656In Stock

₹702.58

₹542.31

₹502.24

₹478.01

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

Tray

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 TZ MCU 100 MHz 2 Mbytes Flash BLE 5.4 Zigbee

STM32WBA65CIU6
STMicroelectronics
1: ₹711.90
1,354In Stock
New Product

Mfr. Part No.
STM32WBA65CIU6

Mouser Part No
511-STM32WBA65CIU6

New Product

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 TZ MCU 100 MHz 2 Mbytes Flash BLE 5.4 Zigbee

Learn More

Datasheet

1,354In Stock

₹711.90

₹549.76

₹509.69

₹464.97

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

Tray

RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64MHz 64 Kb Flash 16 Kb SRAM

STM32WL30KBV6
STMicroelectronics
1: ₹391.36
3,003In Stock
New Product

Mfr. Part No.
STM32WL30KBV6

Mouser Part No
511-STM32WL30KBV6

New Product

STMicroelectronics

RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64MHz 64 Kb Flash 16 Kb SRAM

Learn More

Datasheet

3,003In Stock

₹391.36

₹295.38

₹271.15

₹250.65

View

Min.: 1
Mult.: 1

RF Microcontrollers - MCU

SMD/SMT

ARM Cortex M0+

32 bit

64 MHz

128 KB

12 bit

Tray

RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64MHz 64 Kb Flash 16 Kb SRAM

STM32WL31CBV6
STMicroelectronics
1: ₹455.65
3,077In Stock
New Product

Mfr. Part No.
STM32WL31CBV6

Mouser Part No
511-STM32WL31CBV6

New Product

STMicroelectronics

RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64MHz 64 Kb Flash 16 Kb SRAM

Learn More

Datasheet

3,077In Stock

₹455.65

₹346.63

₹319.61

₹289.79

View

Min.: 1
Mult.: 1

RF Microcontrollers - MCU

SMD/SMT

ARM Cortex M0+

32 bit

64 MHz

128 KB

12 bit

Tray

RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64MHz 64Kbytes Flash 16KbyteSRAM

STM32WL31KBV6
STMicroelectronics
1: ₹445.40
2,520In Stock
New Product

Mfr. Part No.
STM32WL31KBV6

Mouser Part No
511-STM32WL31KBV6

New Product

STMicroelectronics

RF Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64MHz 64Kbytes Flash 16KbyteSRAM

Learn More

Datasheet

2,520In Stock

₹445.40

₹339.18

₹312.15

₹282.34

View

Min.: 1
Mult.: 1

RF Microcontrollers - MCU

SMD/SMT

ARM Cortex M0+

32 bit

64 MHz

128 KB

12 bit

Tray

8-bit Microcontrollers - MCU STM8L Ultra LP 8-Bit LCD 32-Pin 32kB

STM8L151M8T6
STMicroelectronics
1: ₹559.08
350In Stock

Mfr. Part No.
STM8L151M8T6

Mouser Part No
511-STM8L151M8T6

STMicroelectronics

8-bit Microcontrollers - MCU STM8L Ultra LP 8-Bit LCD 32-Pin 32kB

Learn More

Datasheet

350In Stock

₹559.08

₹383.90

₹357.81

₹314.95

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

UFQFPN-80

STM8

8 bit

16 MHz

64 kB

4 kB

12 bit

68 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 128 Kbytes Math Accelerator Medium Analog

STM32G431KBT3
STMicroelectronics
1: ₹687.67
1,444In Stock

Mfr. Part No.
STM32G431KBT3

Mouser Part No
511-STM32G431KBT3

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 128 Kbytes Math Accelerator Medium Analog

Learn More

Datasheet

1,444In Stock

₹687.67

₹505.04

₹470.56

₹413.72

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

ARM Microcontrollers - MCU Arm Cortex-M33 32-bit 250 MHz 2 Mbytes Flash 640KB RAM I3C, DCMI, Ethernet, SMPS

STM32H563AII3Q
STMicroelectronics
1: ₹994.23
2,326In Stock

Mfr. Part No.
STM32H563AII3Q

Mouser Part No
511-STM32H563AII3Q

STMicroelectronics

ARM Microcontrollers - MCU Arm Cortex-M33 32-bit 250 MHz 2 Mbytes Flash 640KB RAM I3C, DCMI, Ethernet, SMPS

Learn More

Datasheet

2,326In Stock

₹994.23

₹776.19

₹722.15

₹662.51

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

UFBGA-169

ARM Cortex M33

32 bit

250 MHz

2 MB

640 kB

12 bit

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU Arm Cortex-M33 32-bit 250 MHz 2 Mbytes Flash 640KB RAM hardware encryption accel

STM32H573VIT3Q
STMicroelectronics
1: ₹910.37
2,962In Stock
4,320Expected 25-01-2027

Mfr. Part No.
STM32H573VIT3Q

Mouser Part No
511-STM32H573VIT3Q

STMicroelectronics

ARM Microcontrollers - MCU Arm Cortex-M33 32-bit 250 MHz 2 Mbytes Flash 640KB RAM hardware encryption accel

Learn More

Datasheet

2,962In Stock

4,320Expected 25-01-2027

₹910.37

₹709.10

₹658.78

₹603.81

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-100

ARM Cortex M33

32 bit

250 MHz

2 MB

640 kB

12 bit

80 I/O

- 40 C

+ 125 C

Tray

Microprocessors - MPU MPU Dual Arm Cortex-A35 1.5GHz Cortex-M33 400MHz 3xEther (2+1 switch) 3xFD-CAN

STM32MP257FAI3
STMicroelectronics
1: ₹2,989.21
1,711In Stock

Mfr. Part No.
STM32MP257FAI3

Mouser Part No
511-STM32MP257FAI3

STMicroelectronics

Microprocessors - MPU MPU Dual Arm Cortex-A35 1.5GHz Cortex-M33 400MHz 3xEther (2+1 switch) 3xFD-CAN

Learn More

Datasheet

1,711In Stock

₹2,989.21

₹2,419.88

₹2,277.32

₹2,120.78

View

Min.: 1
Mult.: 1

Microprocessors - MPU

SMD/SMT

TFBGA-436

ARM Cortex A35, ARM Cortex M33

32 bit

400 MHz, 1.5 GHz

648 kB

172 I/O

- 40 C

+ 125 C

Tray

Microprocessors - MPU MPU Dual Arm Cortex-A35 1.5GHz Cortex-M33 400MHz 3xEther (2+1 switch) 3xFD-CAN

STM32MP257FAK3
STMicroelectronics
1: ₹2,601.59
1,128In Stock

Mfr. Part No.
STM32MP257FAK3

Mouser Part No
511-STM32MP257FAK3

STMicroelectronics

Microprocessors - MPU MPU Dual Arm Cortex-A35 1.5GHz Cortex-M33 400MHz 3xEther (2+1 switch) 3xFD-CAN

Learn More

Datasheet

1,128In Stock

₹2,601.59

₹2,096.55

₹1,970.76

₹1,831.92

View

Min.: 1
Mult.: 1

Microprocessors - MPU

SMD/SMT

VFBGA-424

ARM Cortex A35, ARM Cortex M33

32 bit

400 MHz, 1.5 GHz

648 kB

144 I/O

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, AES, 48 MHz CPU

STM32U083KCU6
STMicroelectronics
1: ₹320.54
12,645In Stock

Mfr. Part No.
STM32U083KCU6

Mouser Part No
511-STM32U083KCU6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, AES, 48 MHz CPU

Learn More

Datasheet

12,645In Stock

₹320.54

₹240.40

₹220.84

₹199.41

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

ARM Cortex M0

48 MHz

256 kB

Tray

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, AES, 48 MHz CPU

STM32U083RCT6
STMicroelectronics
1: ₹345.70
8,693In Stock
6,720Expected 03-12-2026

Mfr. Part No.
STM32U083RCT6

Mouser Part No
511-STM32U083RCT6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, AES, 48 MHz CPU

Learn More

Datasheet

8,693In Stock

6,720Expected 03-12-2026

₹345.70

₹260.90

₹239.47

₹209.66

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

ARM Cortex M0

48 MHz

256 kB

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 160 MHz 2Mbytes Flash

STM32U585AII3
STMicroelectronics
1: ₹1,172.20
2,485In Stock

Mfr. Part No.
STM32U585AII3

Mouser Part No
511-STM32U585AII3

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 160 MHz 2Mbytes Flash

Learn More

Datasheet

2,485In Stock

₹1,172.20

₹920.62

₹857.26

₹788.30

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 4Mbytes of Flash

STM32U595QJI6
STMicroelectronics
1: ₹1,462.93
1,866In Stock

Mfr. Part No.
STM32U595QJI6

Mouser Part No
511-STM32U595QJI6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 4Mbytes of Flash

Learn More

Datasheet

1,866In Stock

₹1,462.93

₹1,180.59

₹1,161.95

₹1,072.50

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 4 Mbytes Flash

STM32U5A5AJH3
STMicroelectronics
1: ₹1,736.88
2,538In Stock

Mfr. Part No.
STM32U5A5AJH3

Mouser Part No
511-STM32U5A5AJH3

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 4 Mbytes Flash

Learn More

Datasheet

2,538In Stock

₹1,736.88

₹1,381.86

₹1,293.34

₹1,195.50

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

TFBGA-169

ARM Cortex M33

32 bit

160 MHz

4 MB

2.5 MB

12 bit, 14 bit

8 I/O

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 4Mbytes of Flash

STM32U5A5AJH6Q
STMicroelectronics
1: ₹1,571.95
2,389In Stock

Mfr. Part No.
STM32U5A5AJH6Q

Mouser Part No
511-STM32U5A5AJH6Q

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 4Mbytes of Flash

Learn More

Datasheet

2,389In Stock

₹1,571.95

₹1,281.23

₹1,212.27

₹1,108.84

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 4 Mbytes Flash

STM32U5A5QJI3Q
STMicroelectronics
1: ₹1,721.03
1,720In Stock

Mfr. Part No.
STM32U5A5QJI3Q

Mouser Part No
511-STM32U5A5QJI3Q

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 4 Mbytes Flash

Learn More

Datasheet

1,720In Stock

₹1,721.03

₹1,367.88

₹1,280.29

₹1,183.39

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

UFBGA-132

ARM Cortex M33

32 bit

160 MHz

2 MB

2.5 MB

12 bit

156 I/O

- 40 C

+ 125 C

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 4Mbytes of Flash

STM32U5A5QJI6
STMicroelectronics
1: ₹1,527.22
1,907In Stock

Mfr. Part No.
STM32U5A5QJI6

Mouser Part No
511-STM32U5A5QJI6

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 4Mbytes of Flash

Learn More

Datasheet

1,907In Stock

₹1,527.22

₹1,308.25

₹1,222.52

₹1,099.52

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

Tray

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 4Mbytes of Flash

STM32U5A5QJI6Q
STMicroelectronics
1: ₹1,561.70
1,494In Stock

Mfr. Part No.
STM32U5A5QJI6Q

Mouser Part No
511-STM32U5A5QJI6Q

STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 4Mbytes of Flash

Learn More

Datasheet

1,494In Stock

₹1,561.70

₹1,273.77

₹1,200.16

₹1,103.25

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

Tray

ARM Microcontrollers - MCU Advanced Graphics Ultra Low Power CortexM-33 Trustzone, NEOCHROM VG GPU, 160MHZ

STM32U5G9BJY6QTR
STMicroelectronics
1: ₹1,789.99
2,430In Stock

Mfr. Part No.
STM32U5G9BJY6QTR

Mouser Part No
511-STM32U5G9BJY6QTR

STMicroelectronics

ARM Microcontrollers - MCU Advanced Graphics Ultra Low Power CortexM-33 Trustzone, NEOCHROM VG GPU, 160MHZ

Learn More

Datasheet

2,430In Stock

Cut Tape

₹1,789.99

₹1,424.72

₹1,333.41

₹1,233.70

View

Reel

₹1,100.46

MouseReel Available

Min.: 1
Mult.: 1

: 3,500

ARM Microcontrollers - MCU

Reel, Cut Tape, MouseReel

RF Microcontrollers - MCU Ultra-low-power, Arm Cortex-M33 Trust Zone MCU 100 MHz 1 Mbyte Flash, BLE 5.4

STM32WBA52KGU6
STMicroelectronics
1: ₹456.58
5,942In Stock

Mfr. Part No.
STM32WBA52KGU6

Mouser Part No
511-STM32WBA52KGU6

STMicroelectronics

RF Microcontrollers - MCU Ultra-low-power, Arm Cortex-M33 Trust Zone MCU 100 MHz 1 Mbyte Flash, BLE 5.4

Learn More

Datasheet

5,942In Stock

₹456.58

₹375.52

₹353.15

₹326.13

View

Min.: 1
Mult.: 1

RF Microcontrollers - MCU

SMD/SMT

UFQFPN-32

ARM Cortex M33

32 bit

100 MHz

64 kB

12 bit

20 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 64 Kb Flash 16 Kb SRAM

STM32WL33C8V6
STMicroelectronics
1: ₹485.47
5,874In Stock

Mfr. Part No.
STM32WL33C8V6

Mouser Part No
511-STM32WL33C8V6

STMicroelectronics

ARM Microcontrollers - MCU Sub-GHz Wireless MCU Single-core Arm Cortex-M0+ 64 MHz 64 Kb Flash 16 Kb SRAM

Learn More

Datasheet

5,874In Stock

₹485.47

₹368.99

₹347.56

₹328.93

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

VFQFPN-48

ARM Cortex M0+

32 bit

64 MHz

64 kB

16 KB

12 bit

32 I/O

- 40 C

+ 85 C

Tray

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Low-volt line 1,8V MCU 32 Kbytes of Flash 48 MHz CPU, U

STM32F038C6T7
STMicroelectronics
1: ₹355.02
1,495In Stock

Mfr. Part No.
STM32F038C6T7

Mouser Part No
511-STM32F038C6T7

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Low-volt line 1,8V MCU 32 Kbytes of Flash 48 MHz CPU, U

Learn More

Datasheet

1,495In Stock

₹355.02

₹268.36

₹246.00

₹221.77

View

Min.: 1
Mult.: 1

ARM Microcontrollers - MCU

SMD/SMT

LQFP-48

ARM Cortex M0

32 bit

48 MHz

32 kB

4 kB

12 bit

38 I/O

- 40 C

+ 105 C

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 128 Kbytes of Flash 48 MHz CPU & CEC fu

STM32F071CBT7TR
STMicroelectronics
1: ₹622.44
1,948In Stock

Mfr. Part No.
STM32F071CBT7TR

Mouser Part No
511-STM32F071CBT7TR

STMicroelectronics

ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Access line MCU 128 Kbytes of Flash 48 MHz CPU & CEC fu

Learn More

Datasheet

1,948In Stock

Cut Tape

₹622.44

₹456.58

₹425.83

₹374.58

View

Reel

₹232.02

MouseReel Available

Min.: 1
Mult.: 1

: 2,400

ARM Microcontrollers - MCU

SMD/SMT

LQFP-48

ARM Cortex M0

32 bit

48 MHz

128 kB

16 kB

12 bit

37 I/O

- 40 C

+ 105 C

Reel, Cut Tape, MouseReel

STMicroelectronics Embedded Processors & Controllers

Types of Embedded Processors & Controllers

Customer Service Office

Company

Resources

Support

BGA-100
BGA-132
BGA-144
BGA-168
BGA-169
BGA-176
BGA-216
BGA-292
BGA-64
BGA-73
CSP-100
CSP-115
CSP-36
CSP-48
CSP-64
CSP-72
CSP-81
FPBGA-292
FPBGA-302
FPBGA-386

ARM1176JZ-F
ARM Cortex-A35
ARM Cortex A35, ARM Cortex M33
ARM Cortex A7
ARM Cortex A7, ARM Cortex M4
ARM Cortex M0
ARM Cortex-M0, ARM Cortex-M4
ARM Cortex M0+
ARM Cortex M0+, ARM Cortex M4
ARM Cortex M3
ARM Cortex M33
ARM Cortex M33, ARM Cortex A35
ARM Cortex M35P
ARM Cortex M4
ARM Cortex M4, ARM Cortex M7
ARM Cortex M4F
ARM Cortex M55
ARM Cortex M7
ARM Cortex-R52+
e200z0

8 MHz
15 MHz
16 MHz
16 MHz/32 MHz
20 MHz
24 MHz
32 MHz
32 MHz, 64 MHz
36 MHz
48 MHz
56 MHz
64 MHz
72 MHz
80 MHz
80 MHz, 120 MHz
80 MHz, 160 MHz
84 MHz
96 MHz
100 MHz
110 MHz

0 B
1 KB
2 kB
4 kB
8 kB
16 kB
32 kB
64 kB
96 kB
128 KB
128 kB
160 kB
176 kB
192 kB
256 kB
320 kB
384 kB
512 kB
640 kB
768 kB

384 B
512 B
1 kB
1.5 kB
2 kB
4 kB
6 kB
8 kB
10 kB
12 kB
16 KB
16 kB
18 kB
20 kB
22 kB
24 kB
32 KB
32 kB
36 kB
40 kB

2 x 10 bit
2 x 10 bit, 5 x 12 bit, 6 x 16 bit
2 x 12 bit
2 x 16 bit
2 x 6 bit/8 bit/10 bit/12 bit
2 x 8 bit/10 bit/12 bit
3 x 10 bit, 5 x 12 bit, 6 x 16 bit
3 x 12 bit
3 x 12 bit, 1 x 16 bit
3 x 16 bit
4 x 12 bit
4 x 6 bit/8 bit/10 bit/12 bit
5 x 12 bit
5 x 12 bit, 2 x 16 bit
6 bit/8 bit/10 bit/12 bit
8 bit to 16 bit
10 bit
10 bit, 12 bit
10 bit, 3 x 12 bit
10 bit, 4 x 12 bit

5 I/O
6 I/O
8 I/O
9 I/O
10 I/O
11 I/O
14 I/O
15 I/O
16 I/O
17 I/O
18 I/O
19 I/O
20 I/O
21 I/O
22 I/O
23 I/O
24 I/O
25 I/O
26 I/O
27 I/O