TMP91C824
91C824-96
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
-1
10: 2
7
-1
11: 2
8
-1
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
∼
TA23M0>
≠
01
TA23MOD
<TA23M1
∼
TA23M0>
=
01
00
Comparator output
from TMRA2
01
φ
T1
10
φ
T16
11
φ
T
256
Overflow output from
TMRA2
(16-Bit Timer Mode)
00
reserved
01
(2
6
-1)
×
clock source
10
(2
7
-1)
×
clock source
11
(2
8
-1)
×
clock source
00
Two 8-bit timers
01
16-bit timer
10
8-bit PPG
11
8-bit PWM (TMRA2)
+
8-bit timer (TMRA3)
PWM cycle selection
TA23MOD
(010CH)
TMRA2 source clock selection
TMRA3 source clock selection
TMRA23 operation mode selection
Figure 3.7.6 TMRA registers