Hitachi HD6473867 Hardware Manual page 242

H8/3867 series, h8/3867 series

Table of Contents

Bit 6: Timer counter W write enable (TCWE)

Bit 6 controls the writing of data to TCW.

Data cannot be written to TCW

Data can be written to TCW

Bit 5: Bit 4 write inhibit (B4WI)

Bit 5 controls the writing of data to bit 4 in TCSRW.

Bit 4 is write-enabled

Bit 4 is write-protected

This bit is always read as 1. Data written to this bit is not stored.

Bit 4: Timer control/status register W write enable (TCSRWE)

Bit 4 controls the writing of data to TCSRW bits 2 and 0.

Data cannot be written to bits 2 and 0

Data can be written to bits 2 and 0

Bit 3: Bit 2 write inhibit (B2WI)

Bit 3 controls the writing of data to bit 2 in TCSRW.

Bit 2 is write-enabled

Bit 2 is write-protected

This bit is always read as 1. Data written to this bit is not stored.

(initial value)