ST7263 STMICROELECTRONICS [STMicroelectronics], ST7263 Datasheet - Page 22

• Manufacturer Part Number: ST7263
• Description: LOW SPEED USB 8-BIT MCU FAMILY with up to 16K MEMORY, up to 512 BYTES RAM, 8-BIT ADC, WDG, TIMER, SCI & I2C
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

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