attiny13-20ss ATMEL Corporation, attiny13-20ss Datasheet - Page 57

• Manufacturer Part Number: attiny13-20ss
• Description: 8-bit Microcontroller With 1k Bytes In-system Programmable Flash - Atmel Corporation
• Manufacturer: ATMEL Corporation

Pin Change Mask Register –
PCMSK
2535G–AVR–01/07
• Bits 7, 6 – Res: Reserved Bits
These bits are reserved bits in the ATtiny13 and will always read as zero.
• Bits 5..0 – PCINT5..0: Pin Change Enable Mask 5..0
Each PCINT5..0 bit selects whether pin change interrupt is enabled on the correspond-
ing I/O pin. If PCINT5..0 is set and the PCIE bit in GIMSK is set, pin change interrupt is
enabled on the corresponding I/O pin. If PCINT5..0 is cleared, pin change interrupt on
the corresponding I/O pin is disabled.
Bit
Read/Write
Initial Value
R
7
–
0
R
6
–
0
PCINT5
R/W
5
0
PCINT4
R/W
4
0
PCINT3
R/W
3
0
PCINT2
R/W
2
0
PCINT1
R/W
1
0
PCINT0
R/W
0
0
PCMSK
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