ST7LITE25F2 datasheet(80/166 Pages) STMICROELECTRONICS

80 / 166 page

On-chip peripherals

ST7LITE20F2 ST7LITE25F2 ST7LITE29F2

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Doc ID 8349 Rev 5

to mask the interrupt generated when the CMPF bit is set.

0: CMPF interrupt disabled.

1: CMPF interrupt enabled.

Counter register high (CNTRH)

Read only

Reset value: 0000 0000 (000h)

Counter register low (CNTRL)

Read only

Reset value: 0000 0000 (000h)

●

Bits 15:12 = Reserved

●

Bits 11:0 =

CNTR[11:0] Counter value

This 12-bit register is read by software and cleared by hardware after a reset. The

counter is incremented continuously as soon as a counter clock is selected. To obtain

the 12-bit value, software should read the counter value in two consecutive read

operations, LSB first. When a counter overflow occurs, the counter restarts from the

value specified in the ATR register.

Autoreload register (ATRH)

Read / Write

Reset Value: 0000 0000 (00h)

●

Bits 15:12 = Reserved

●

Bits 11:0 =

ATR[11:0] Counter value

This 12-bit register is read by software and cleared by hardware after a reset. The

counter is incremented continuously as soon as a counter clock is selected. To obtain

the 12-bit value, software should read the counter value in two consecutive read

operations, LSB first. When a counter overflow occurs, the counter restarts from the

value specified in the ATR register.

CNTR11

CNTR10

CNTR9

CNTR8

CNTR7

CNTR6

CNTR5

CNTR4

CNTR3

CNTR2

CNTR1

CNTR0

ATR11

ATR10

ATR9

ATR8

ST7LITE25F2 数据表(PDF) 80 Page - STMicroelectronics

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