TMP91CP27 Datasheet, PDF (99/246 Pages) Toshiba Semiconductor – Original CMOS 16-Bit Microcontroller

TMP91CP27
TMRA45 Mode Register
TA45MOD Bit symbol
(0114H) _Read/Write
After reset
Function
7
6
TA45M1 TA45M0
0
0
Operation mode
00: 8-bit timer mode
01: 16-bit timer mode
10: 8-bit PPG mode
11: 8-bit PWM mode
5
4
3
2
1
0
PWM41 PWM40 TA5CLK1 TA5CLK0 TA4CLK1 TA4CLK0
R/W
0
0
0
0
0
0
PWM cycle
Source clock for TMRA5 Source clock for TMRA4
00: Reserved
01: 2⁶−1
10: 2⁷−1
11: 2⁸−1
00: TA4TRG
01: φT1
10: φT16
11: φT256
00: TA4IN pin
01: φT1
10: φT4
11: φT16
TMRA4 source clock selection
00 TA4IN (External input)
01 φT1 (Prescaler)
10 φT4 (Prescaler)
11 φT16 (Prescaler)
TMRA5 source clock selection
TA45MOD
<TA45M1:0> ≠ 01
00 Comparator output
from TMRA4
01 φT1
10 φT16
11 φT256
TA45MOD
<TA45M1:0> = 01
Overflow output from
TMRA4
(16-bit timer mode)
PWM cycle selection
00 Reserved
01 (2⁶ − 1) × Clock source
10 (2⁷ − 1) × Clock source
11 (2⁸ − 1) × Clock source
TMRA45 operation mode selection
00 Two 8-bit timers
01 16-bit timer
10 8-bit PPG
11 8-bit PWM (TMRA4) + 8-bit timer (TMRA5)
Figure 3.8.9 Register for TMRA
91CP27-97
2003-11-05