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AT90SCR100 数据表(PDF) 73 Page - ATMEL Corporation |
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AT90SCR100 数据表(HTML) 73 Page - ATMEL Corporation |
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73 / 433 page  73 TPR0327AY–SMS–30Jan09 AT90SCR100 11.1.7 PCMSK3 – Pin Change Mask Register 3 • Bit 7..0 – PCINT31..24 : Pin Change Enable Mask 31..24 Each PCINT31:24 bit selects whether the pin change interrupt is enabled on the corresponding I/O pin. If PCINT31:24 is set and the PCIE3 bit in PCICR is set, the pin change interrupt is enabled on the corresponding I/O pin. If PCINT31:24 is cleared, the pin change interrupt on the corresponding I/O pin is disabled. 11.1.8 PCMSK2 – Pin Change Mask Register 2 • Bit 7..0 – PCINT23..16 : Pin Change Enable Mask 23..16 Each PCINT23:16-bit selects whether the pin change interrupt is enabled on the corresponding I/O pin. If PCINT23:16 is set and the PCIE2 bit in PCICR is set, the pin change interrupt is enabled on the corresponding I/O pin. If PCINT23:16 is cleared, the pin change interrupt on the corresponding I/O pin is disabled. 11.1.9 PCMSK1 – Pin Change Mask Register 1 • Bit 7..0 – PCINT15..8 : Pin Change Enable Mask 15..8 Each PCINT15:8-bit selects whether the pin change interrupt is enabled on the corresponding I/O pin. If PCINT15:8 is set and the PCIE1 bit in PCICR is set, the pin change interrupt is enabled on the corresponding I/O pin. If PCINT15:8 is cleared, the pin change interrupt on the corresponding I/O pin is disabled. 11.1.10 PCMSK0 – Pin Change Mask Register 0 • Bit 7..0 – PCINT7..0: Pin Change Enable Mask 7..0 Each PCINT7:0 bit selects whether the pin change interrupt is enabled on the corresponding I/O pin. If PCINT7:0 is set and the PCIE0 bit in PCICR is set, the pin change interrupt is enabled on Bit 7 6543210 0x000073 PCINT31 PCINT30 PCINT29 PCINT28 PCINT27 PCINT26 PCINT25 PCINT24 PCMSK3 Read/write R/W R/W R/W R/W R/W R/W R/W R/W Initial value 0 0 0 0 0 0 0 0 0x00 Bit 7 6543210 0x00006D PCINT23 PCINT22 PCINT21 PCINT20 PCINT19 PCINT18 PCINT17 PCINT16 PCMSK2 Read/write R/W R/W R/W R/W R/W R/W R/W R/W Initial value 0 0 0 0 0 0 0 0 0x00 Bit 7 6543210 0x00006C PCINT15 PCINT14 PCINT13 PCINT12 PCINT11 PCINT10 PCINT9 PCINT8 PCMSK1 Read/write R/W R/W R/W R/W R/W R/W R/W R/W Initial value 0 0 0 0 0 0 0 0 0x00 Bit 7 6543210 0x00006B PCINT7 PCINT6 PCINT5 PCINT4 PCINT3 PCINT2 PCINT1 PCINT0 PCMSK0 Read/write R/W R/W R/W R/W R/W R/W R/W R/W Initial value 0 0 0 0 0 0 0 0 0x00 |
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