HD6433935 Hitachi, HD6433935 Datasheet - Page 247

• Manufacturer Part Number: HD6433935
• Description: 8-Bit MICROCONTROLLER
• Manufacturer: Hitachi

Bit 6: Timer counter W write enable (TCWE)
Bit 6 controls the writing of data to TCW.
Bit 6
TCWE
0
1
Bit 5: Bit 4 write inhibit (B4WI)
Bit 5 controls the writing of data to bit 4 in TCSRW.
Bit 5
B4WI
0
1
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.
Bit 4
TCSRWE
0
1
Bit 3: Bit 2 write inhibit (B2WI)
Bit 3 controls the writing of data to bit 2 in TCSRW.
Bit 3
B2WI
0
1
This bit is always read as 1. Data written to this bit is not stored.
Description
Data cannot be written to TCW
Data can be written to TCW
Description
Bit 4 is write-enabled
Bit 4 is write-protected
Description
Data cannot be written to bits 2 and 0
Data can be written to bits 2 and 0
Description
Bit 2 is write-enabled
Bit 2 is write-protected
(initial value)
(initial value)
(initial value)
(initial value)
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