ST7263BDX datasheet(62/145 Pages) STMICROELECTRONICS

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ST7263BDx ST7263BHx ST7263BKx ST7263BE

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16-bit timer (Cont’d)

Output Compare 2 High Register (OC2HR)

Read/Write

Reset value: 1000 0000 (80h)

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

of the value to be compared to the CHR register.

Output Compare 2 Low Register (OC2LR)

Read/Write

Reset value: 0000 0000 (00h)

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

the value to be compared to the CLR register.

Counter High Register (CHR)

Read Only

Reset value: 1111 1111 (FFh)

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

of the counter value.

Counter Low Register (CLR)

Read Only

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 CSR register clears the TOF bit.

Alternate Counter High Register (ACHR)

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 Register (ACLR)

Read Only

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 CSR register does not clear the TOF bit in the

CSR register.

Input Capture 2 High Register (IC2HR)

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 (IC2LR)

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

MSB

LSB

MSB

LSB

MSB

LSB

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