ST72T251G1 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST72T251G1

8-BIT MCU WITH 4 TO 8K ROM/OTP/EPROM, 256 BYTES RAM, ADC, WDG, SPI, I2C AND 2 TIMERS

STMicroelectronics 

ST72251

1.2 PIN DESCRIPTION

Figure 2. ST72251 Pinout (SDIP32)

RESET 1

OSCIN 2

OSCOUT 3

SS/PB7 4

SCK/PB6 5

MISO/PB5 6

MOSI/PB4 7

NC

8

NC

9

OCMP2_A/PB3 10

ICAP2_A/PB2 11

OCMP1_A/PB1 12

ICAP1_A/PB0 13

AIN5/EXTCLK_A/PC5 14

AIN4/OCMP2_B/PC4 15

AIN3/ICAP2_B/PC3 16

1) V on EPROM/OTP only

PP

Figure 3. ST72251 Pinout (SO28)

32

VDD

31

VSS

30 TEST/VPP1)

29 PA0

28 PA1

27 PA2

26 PA3

25 NC

24 NC

23 PA4/SCL

22 PA5

21 PA6/SDA

20 PA7

19 PC0/ICAP1_B/AIN0

18 PC1/OCMP1_B/AIN1

17 PC2/CLKOUT/AIN2

RESET 1

OSCIN 2

OSCOUT 3

SS/PB7 4

SCK/PB6 5

MISO/PB5 6

MOSI/PB4 7

OCMP2_A/PB3 8

ICAP2_A/PB2 9

OCMP1_A/PB1 10

ICAP1_A/PB0 11

AIN5/EXTCLK_A/PC5 12

AIN4/OCMP2_B/PC4 13

AIN3/ICAP2_B/PC3 14

1) V on EPROM/OTP only

PP

28

VDD

27

VSS

26 TEST/VPP1)

25 PA0

24 PA1

23 PA2

22 PA3

21 PA4/SCL

20 PA5

19 PA6/SDA

18 PA7

17 PC0/ICAP1_B/AIN0

16 PC1/OCMP1_B/AIN1

15 PC2/CLKOUT/AIN2

6/100

5

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