ST72T631K4M1 STMicroelectronics, ST72T631K4M1 Datasheet - Page 29

• Manufacturer Part Number: ST72T631K4M1
• Description: Microcontrollers (MCU) OTP EPROM 16K USB/SC
• Manufacturer: STMicroelectronics

Specifications of ST72T631K4M1

• Data Bus Width: 8 bit
• Program Memory Type: EPROM
• Program Memory Size: 16 KB
• Data Ram Size: 512 B
• Interface Type: I2C, SCI, USB
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 19
• Number Of Timers: 2
• Operating Supply Voltage: 4 V to 5.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: SO-34
• Minimum Operating Temperature: 0 C
• On-chip Adc: 8 bit
• Lead Free Status / Rohs Status: No

I/O PORTS (Cont’d)
5.1.5 Port B
Table 11. Port B Description
Figure 20. Port B Configuration
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
*Reset State
ALTERNATE INPUT
PORT B
without pull-up
without pull-up
without pull-up
without pull-up
without pull-up
without pull-up
without pull-up
without pull-up
DR SEL
DDR SEL
LATCH
LATCH
Input*
DDR
DR
ALTERNATE
OUTPUT
I/O
1
0
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
ALTERNATE ENABLE
0
1
Output
DIGITAL ENABLE
ANALOG ENABLE
(ADC)
ALTERNATE ENABLE
ALTERNATE ENABLE
Analog input (ADC)
Analog input (ADC)
Analog input (ADC)
Analog input (ADC)
Analog input (ADC)
IT5 Schmitt triggered input IT4E = 1 (ITIFRE)
Analog input (ADC)
IT6 Schmitt triggered input IT5E = 1 (ITIFRE)
Analog input (ADC)
IT7 Schmitt triggered input IT6E = 1 (ITIFRE)
Analog input (ADC)
IT8 Schmitt triggered input IT7E = 1 (ITIFRE)
Signal
ANALOG
SWITCH
Alternate Function
V
P-BUFFER
SS
V
N-BUFFER
DD
CH[2:0] = 000 (ADCCSR)
CH[2:0] = 001 (ADCCSR)
CH[2:0]= 010 (ADCCSR)
CH[2:0]= 011 (ADCCSR)
CH[2:0]= 100 (ADCCSR)
CH[2:0]= 101 (ADCCSR)
CH[2:0]= 110 (ADCCSR)
CH[2:0]= 111 (ADCCSR)
Condition
V
DD
DIODES
PAD
ST7263
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