C8051F521A-IM View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

Manufacturer

C8051F521A-IM

8/4/2 kB ISP Flash MCU Family

Silicon Laboratories 

C8051F52x/F53x

SFR Definition 8.7. PCON: Power Control

R/W

R/W

R/W

R/W

R/W

R/W

Reserved Reserved Reserved Reserved Reserved Reserved

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

R/W

STOP

Bit1

R/W

Reset Value

IDLE 00000000

Bit0

SFR Address: 0x87

Bits7–2: RESERVED.

Bit1: STOP: STOP Mode Select.

Writing a 1 to this bit will place the CIP-51 into STOP mode. This bit will always read 0.

1: CIP-51 forced into power-down mode. (Turns off internal oscillator).

Bit0: IDLE: IDLE Mode Select.

Writing a 1 to this bit will place the CIP-51 into IDLE mode. This bit will always read 0.

1: CIP-51 forced into IDLE mode. (Shuts off clock to CPU, but clock to Timers, Interrupts,

and all peripherals remain active.)

Rev. 1.4

91

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