L9805 datasheet(47/103 Pages) STMICROELECTRONICS

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L9805

COUNTER LOW REGISTER (CLR)

Timer1 Register Address: 0039h

Timer2 Register Address: 0049h

Read/Write

Reset Value: 1111 1100 (FCh)

This is an 8-bit register that contains the low part of

the counter value. A write to this register resets the

counter. An access to this register after accessing

the SR register clears the TOF bit.16-BIT

ALTERNATE

COUNTER

HIGH

(ACHR)

Timer1 Register Address: 003Ah

Timer2 Register Address: 004Ah

Read Only

Reset Value: 1111 1111 (FFh)

This is an 8-bit register that contains the high part

of the counter value.

ALTERNATE

COUNTER

LOW

(ACLR)

Timer1 Register Address: 003Bh

Timer2 Register Address: 004Bh

Read/Write

Reset Value: 1111 1100 (FCh)

This is an 8-bit register that contains the low part of

the counter value. A write to this register resets the

counter. An access to this register after an access

to SR register does not clear the TOF bit in SR

INPUT CAPTURE 2 HIGH REGISTER (ICHR2)

Timer1 Register Address: 003Ch

Timer2 Register Address: 004Ch

Read Only

Reset Value: Undefined

This is an 8-bit read only register that contains the

high part of the counter value (transferred by the

Input Capture 2 event).

INPUT CAPTURE 2 LOW REGISTER (ICLR2)

Timer1 Register Address: 003Dh

Timer2 Register Address: 004Dh

Read Only

Reset Value: Undefined

This is an 8-bit read only register that contains the

low part of the counter value (transferred by the In-

put Capture 2 event).

MSB

LSB

MSB

LSB

MSB

LSB

MSB

LSB

MSB

LSB

L9805 Datasheet(PDF) 47 Page - STMicroelectronics

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