APPENDIX
Appendix 2. Control registers
(b15)
b7
(b8)
b0 b7
Timer B0 register (Addresses 5116, 5016)
Timer B1 register (Addresses 5316, 5216)
Timer B2 register (Addresses 5516, 5416)
b0
Reference
Bit
Function
At reset R/W
8-3
15 to 0 These bits have different functions according to the operating mode.
Undefined RW
Note: Reading from or writing to this register must be performed in a unit of 16 bits.
b7 b6 b5 b4 b3 b2 b1 b0
At reset R/W
Timer Bi mode register (i = 0 to 2) (Addresses 5B16 to 5D16)
Bit
0
Bit name
Function
Reference
b1 b0
8-4
0
RW
Operating mode select bits
0 0 : Timer mode
0 1 : Event counter mode
1 0 : Pulse period/Pulse width measurement mode
1 1 : Do not select.
0
1
RW
These bits have different functions according to the operating mode.
0
2
3
4
5
RW
RW
RW
0
0
RO
(Note)
Undefined
0
0
6
7
RW
RW
Note: Bit 5 is invalid in the timer and event counter modes; its value is undefined at reading.
7906 Group User’s Manual Rev.2.0
20-25
RENESAS [ RENESAS TECHNOLOGY CORP ]
