ST72T631K4M1 STMicroelectronics, ST72T631K4M1 Datasheet - Page 22

• 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

ST7263
INTERRUPTS (Cont’d)
4.1.1 Interrupt Register
INTERRUPTS REGISTER (ITRFRE)
Address: 0008h — Read/Write
Reset Value: 0000 0000 (00h)
Bit 7:0 = ITiE (i=1 to 8). Interrupt Enable Control
Bits .
22/109
IT8E
7
IT7E
IT6E
IT5E
IT4E
IT3E
IT2E
IT1E
0
If an ITiE bit is set, the corresponding interrupt is
generated when
– a rising edge occurs on the pin PA4/IT1 or PA5/
or
– a falling edge occurs on the pin PA6/IT3 or PA7/
No interrupt is generated elsewhere.
Note: Analog input must be disabled for interrupts
coming from port B.
IT2 or PB4/IT5 or PB5/IT6
IT4 or PB6/IT7 or PB7/IT8