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7
TA23MOD
Bit symbol
TA23M1
(010CH)
Read/Write
After reset
0
Function
Operation mode
00: 8-bit timer mode
01: 16-bit timer mode
10: 8-bit PPG mode
11: 8-bit PWM mode
TMRA23 Mode Register
6
5
4
TA23M0
PWM21
PWM20
0
0
0
PWM cycle
00: Reserved
6
01: 2
7
10: 2
8
11: 2
Figure 3.7.6 TMRA Registers
91C824-98
3
2
TA3CLK1
TA3CLK0
TA2CLK1
R/W
0
0
TMRA3 clock for TMRA3
TMRA2 clock for TMRA2
00: TA2TRG
00: Reserved
01: φT1
01: φT1
10: φT16
10: φT4
11: φT256
11: φT16
TMRA2 source clock selection
00
Do not set
φT1 (Prescaler)
01
φT4 (Prescaler)
10
φT16 (Prescaler)
11
TMRA3 source clock selection
TA23MOD
<TA23M1:0> ≠ 01
00
Comparator output
from TMRA2
φT1
01
φT16
10
φT256
11
PWM cycle selection
00
Reserved
× source clock
6
2
01
× source clock
7
2
10
8
× source clock
2
11
TMRA23 operation mode selection
00
Two 8-bit timers
01
16-bit timer
10
8-bit PPG
8-bit PWM (TMRA2) + 8-bit timer (TMRA3)
11
TMP91C824
1
0
TA2CLK0
0
0
TA23MOD
<TA23M1:0> = 01
Overflow output from
TMRA2
(16-bit timer mode)
2008-02-20
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