HD404369 Datasheet, PDF (74/117 Pages) Hitachi Semiconductor – 4-bit HMCS400-Series microcomputer

HD404369 Series
Port mode register C (PMRC: $025)
Bit
Initial value
Read/Write
Bit name
3
0
W
PMRC3
2
1
0
0 Undefined 0
W
W
W
PMRC2 PMRC1 PMRC0
PMRC3 PMRC2 System Clock Divisor
0
÷2048
0
1
÷1024
0
÷512
1
1
÷256
PMRC0
0
1
Serial Clock Division Ratio
Prescaler output divided by 2
Prescaler output divided by 4
PMRC1
0
1
Output Level Control in Idle States
Low level
High level
Figure 57 Port Mode Register C (PMRC)
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