ATmega48PA Automotive Atmel Corporation, ATmega48PA Automotive Datasheet - Page 54
ATmega48PA Automotive
Manufacturer Part Number
ATmega48PA Automotive
Description
Manufacturer
Atmel Corporation
- Current page: 54 of 225
- Download datasheet (4Mb)
11.2.3
11.2.4
54
Atmel ATtiny24/44/84 [Preliminary]
GIFR – General Interrupt Flag Register
PCMSK1 – Pin Change Mask Register 1
• Bit 4– PCIE0: Pin Change Interrupt Enable 0
When the PCIE0 bit is set and the I-bit in the Status Register (SREG) is set, pin change inter-
rupt 0 is enabled. Any change on any enabled PCINT7..0 pin will cause an interrupt. The
corresponding interrupt of pin change interrupt request is executed from the PCI0 interrupt
vector. PCINT7..0 pins are enabled individually by the PCMSK0 register.
• Bits 7, 3..0 – Res: Reserved Bits
These bits are reserved bits in the ATtiny24/44/84 and will always read as zero.
• Bit 6 – INTF0: External Interrupt Flag 0
When an edge or logic change on the INT0 pin triggers an interrupt request, INTF0 becomes
set (logical one). If the I-bit in SREG and the INT0 bit in GIMSK are set (one), the MCU will
jump to the corresponding Interrupt Vector. The flag is cleared when the interrupt routine is
executed. Alternatively, the flag can be cleared by writing a logical one to it. This flag is always
cleared when INT0 is configured as a level interrupt.
• Bit 5 – PCIF1: Pin Change Interrupt Flag 1
When a logic change on any PCINT11..8 pin triggers an interrupt request, PCIF1 becomes set
(logical one). If the I-bit in SREG and the PCIE1 bit in GIMSK are set (one), the MCU will jump
to the corresponding Interrupt Vector. The flag is cleared when the interrupt routine is exe-
cuted. Alternatively, the flag can be cleared by writing a logical one to it.
• Bit 4– PCIF0: Pin Change Interrupt Flag 0
When a logic change on any PCINT7..0 pin triggers an interrupt request, PCIF becomes set
(logical one). If the I-bit in SREG and the PCIE0 bit in GIMSK are set (one), the MCU will jump
to the corresponding Interrupt Vector. The flag is cleared when the interrupt routine is exe-
cuted. Alternatively, the flag can be cleared by writing a logical one to it.
• Bits 7, 4– Res: Reserved Bits
These bits are reserved bits in the Atmel
Bit
0x3A (0x5A
Read/Write
Initial Value
Bit
0x20 (0x40)
Read/Write
Initial Value
R
7
–
0
R
7
–
0
INTF0
R
6
–
0
R/W
6
0
PCIF1
R
0
5
–
R/W
5
0
®
R
4
–
0
PCIF0
ATtiny24/44/84 and will always read as zero.
R/W
4
0
PCINT11
R/W
3
0
R
3
–
0
PCINT10
R/W
2
0
R
2
–
0
PCINT9
R/W
1
0
R
1
–
0
PCINT8
R/W
0
0
0
–
R
0
7701E–AVR–02/11
PCMSK1
GIFR
Related parts for ATmega48PA Automotive
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Manufacturer:
Atmel Corporation
Datasheet:
Part Number:
Description:
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
MCU AVR 4K ISP FLASH 20MHZ 32QFN
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
Manufacturer:
Atmel Corporation
Datasheet:
Part Number:
Description:
MCU AVR 4K ISP FLSH 20MHZ 32TQFP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
MCU AVR 4K ISP FLASH 20MHZ 28DIP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
MCU AVR 4K FLASH 20MHZ 32TQFP
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
MCU AVR 4K FLASH 20MHZ 32QFN
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
MCU AVR 4K FLASH 20MHZ 28-QFN
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
MCU AVR 4K FLASH 20MHZ 28QFN
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
INTERVAL AND WIPE/WASH WIPER CONTROL IC WITH DELAY
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Low-Voltage Voice-Switched IC for Hands-Free Operation
Manufacturer:
ATMEL Corporation
Datasheet: