C8051F340/1/2/3/4/5/6/7
SFR Definition 15.1. XBR0: Port I/O Crossbar Register 0
R/W |
| R/W | R/W | R/W | R/W | R/W | R/W | R/W | ||
CP1AE |
| CP1E | CP0AE |
| CP0E |
| SYSCKE | SMB0E | SPI0E | URT0E |
Bit7 |
| Bit6 | Bit5 | Bit4 | Bit3 | Bit2 | Bit1 | Bit0 | ||
Bit7: | CP1AE: Comparator1 Asynchronous Output Enable |
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| 0: Asynchronous CP1 unavailable at Port pin. |
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| 1: Asynchronous CP1 routed to Port pin. |
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Bit6: | CP1E: Comparator1 Output Enable |
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| 0: CP1 unavailable at Port pin. |
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| 1: CP1 routed to Port pin. |
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Bit5: | CP0AE: Comparator0 Asynchronous Output Enable |
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| 0: Asynchronous CP0 unavailable at Port pin. |
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| 1: Asynchronous CP0 routed to Port pin. |
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Bit4: | CP0E: Comparator0 Output Enable |
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| 0: CP0 unavailable at Port pin. |
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| 1: CP0 routed to Port pin. |
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Bit3: | SYSCKE: /SYSCLK Output Enable |
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| 0: /SYSCLK unavailable at Port pin. |
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| 1: /SYSCLK output routed to Port pin. |
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Bit2: | SMB0E: SMBus I/O Enable |
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| 0: SMBus I/O unavailable at Port pins. |
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| 1: SMBus I/O routed to Port pins. |
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Bit1: | SPI0E: SPI I/O Enable |
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| 0: SPI I/O unavailable at Port pins. |
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| 1: SPI I/O routed to Port pins. |
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Bit0: | URT0E: UART0 I/O Output Enable |
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| 0: UART0 I/O unavailable at Port pins. |
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| 1: UART0 TX0, RX0 routed to Port pins P0.4 and P0.5. |
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Reset Value
00000000
SFR Address:
0xE1
152 | Rev. 0.5 |