C8051F045 データシートの表示（PDF） - Silicon Laboratories

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C8051F045

Mixed Signal ISP Flash MCU Family

Silicon Laboratories 

C8051F040/1/2/3/4/5/6/7

SFR Definition 5.3. AMX0PRT: Port 3 Pin Selection

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

Reset Value

PAIN7EN PAIN6EN PAIN5EN PAIN4EN PAIN3EN PAIN2EN PAIN1EN PAIN0EN 00000000

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

SFR Address: 0xBD

SFR Page: 0

Bit7:

Bit6:

Bit5:

Bit4:

Bit3:

Bit2:

Bit1:

Bit0:

PAIN7EN: Pin 7 Analog Input Enable Bit

0: P3.7 is not selected as an analog input to the AMUX.

1: P3.7 is selected as an analog input to the AMUX.

PAIN6EN: Pin 6 Analog Input Enable Bit

0: P3.6 is not selected as an analog input to the AMUX.

1: P3.6 is selected as an analog input to the AMUX.

PAIN5EN: Pin 5 Analog Input Enable Bit

0: P3.5 is not selected as an analog input to the AMUX.

1: P3.5 is selected as an analog input to the AMUX.

PAIN4EN: Pin 4 Analog Input Enable Bit

0: P3.4 is not selected as an analog input to the AMUX.

1: P3.4 is selected as an analog input to the AMUX.

PAIN3EN: Pin 3 Analog Input Enable Bit

0: P3.3 is not selected as an analog input to the AMUX.

1: P3.3 is enabled as an analog input to the AMUX.

PAIN2EN: Pin 2 Analog Input Enable Bit

0: P3.2 is not selected as an analog input to the AMUX.

1: P3.2 is enabled as an analog input to the AMUX.

PAIN1EN: Pin 1 Analog Input Enable Bit

0: P3.1 is not selected as an analog input to the AMUX.

1: P3.1 is enabled as an analog input to the AMUX.

PAIN0EN: Pin 0 Analog Input Enable Bit

0: P3.0 is not selected as an analog input to the AMUX.

1: P3.0 is enabled as an analog input to the AMUX.

Note:Any number of Port 3 pins may be selected simultaneously inputs to the AMUX. Odd numbered and even

numbered pins that are selected simultaneously are shorted together as “wired-OR”.

Rev. 1.5

51

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