Section 10 Timer B1
10.2
Register Descriptions
The timer B1 has the following registers.
• Timer mode register B1 (TMB1)
• Timer counter B1 (TCB1)
• Timer load register B1 (TLB1)
10.2.1
Timer Mode Register B1 (TMB1)
TMB1 selects the auto-reload function and input clock.
Bit
Bit Name
7
TMB17
6
5 to 3
2
TMB12
1
TMB11
0
TMB10
Rev. 3.00 Sep. 14, 2006 Page 140 of 408
REJ09B0105-0300
Initial
Value
R/W
Description
0
R/W
Auto-Reload Function Select
0: Interval timer function selected
1: Auto-reload function selected
1
R/W
Reserved
Although this bit is readable/writable, it should not be set
to 0.
All 1
Reserved
These bits are always read as 1.
0
R/W
Clock Select
000: Internal clock: φ/8192
0
R/W
001: Internal clock: φ/2048
0
R/W
010: Internal clock: φ/512
011: Internal clock: φ/256
100: Internal clock: φ/64
101: Internal clock: φ/16
110: Internal clock: φ/4
111: Reserved (setting prohibited)