TMP91C824
91C824-98
2008-02-20
TMRA23 Mode Register
7 6 5 4 3 2 1 0
Bit symbol
TA23M1
TA23M0
PWM21
PWM20
TA3CLK1
TA3CLK0
TA2CLK1
TA2CLK0
Read/Write R/W
After
reset
0 0 0 0 0 0 0 0
Function Operation
mode
00: 8-bit timer mode
01: 16-bit timer mode
10: 8-bit PPG mode
11: 8-bit PWM mode
PWM cycle
00: Reserved
01: 2
6
10: 2
7
11: 2
8
TMRA3 clock for TMRA3
00: TA2TRG
01:
φ
T1
10:
φ
T16
11:
φ
T256
TMRA2 clock for TMRA2
00: Reserved
01:
φ
T1
10:
φ
T4
11:
φ
T16
00
Do not set
01
φ
T1 (Prescaler)
10
φ
T4 (Prescaler)
11
φ
T16 (Prescaler)
TA23MOD
<TA23M1:0>
≠
01
TA23MOD
<TA23M1:0>
=
01
00 Comparator
output
from TMRA2
01
φ
T1
10
φ
T16
11
φ
T256
Overflow output from
TMRA2
(16-bit timer mode)
00 Reserved
01
2
6
×
source clock
10
2
7
×
source clock
11
2
8
×
source clock
00
Two 8-bit timers
01 16-bit
timer
10 8-bit
PPG
11
8-bit PWM (TMRA2)
+
8-bit timer (TMRA3)
Figure 3.7.6 TMRA Registers
TA23MOD
(010CH)
PWM cycle selection
TMRA2 source clock selection
TMRA3 source clock selection
TMRA23 operation mode selection