HD6473887 Datasheet, PDF (200/523 Pages) Renesas Technology Corp – Hitachi Single-Chip Microcomputer

4. Register configuration
Table 9-3 shows the register configuration of timer A.
Table 9-3 Timer A Registers
Name
Timer mode register A
Timer counter A
Clock stop register 1
Subclock output select register
Abbrev. R/W
TMA
R/W
TCA
R
CKSTPR1 R/W
CWOSR R/W
Initial Value
H'10
H'00
H'FF
H'FE
Address
H'FFB0
H'FFB1
H'FFFA
H'FF92
9.2.2 Register Descriptions
1. Timer mode register A (TMA)
Bit
7
6
5
4
3
2
1
0
TMA7 TMA6 TMA5
—
TMA3 TMA2 TMA1 TMA0
Initial value
0
0
0
1
0
0
0
0
Read/Write
R/W
R/W R/W
—
R/W
R/W
R/W
R/W
TMA is an 8-bit read/write register for selecting the prescaler, input clock, and output clock.
Upon reset, TMA is initialized to H'10.
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