TMP91C824
91C824-97
2008-02-20
TMRA01 Mode Register
7 6 5 4 3 2 1 0
Bit symbol
TA01M1
TA01M0
PWM01
PWM00
TA1CLK1
TA1CLK0
TA0CLK1
TA0CLK0
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
Source clock for TMRA1
00: TA0TRG
01:
φ
T1
10:
φ
T16
11:
φ
T256
Source clock for TMRA0
00: TA0IN pin
01:
φ
T1
10:
φ
T4
11:
φ
T16
00
TA0IN (External input)
01
φ
T1 (Prescaler)
10
φ
T4 (Prescaler)
11
φ
T16 (Prescaler)
TA01MOD
<TA01M1:0>
≠
01
TA01MOD
<TA01M1:0>
=
01
00
Comparator
output from TMRA0
01
φ
T1
10
φ
T16
11
φ
T256
Overflow output from
TMRA0
(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 (TMRA0)
+
8-bit timer (TMRA1)
Figure 3.7.5 TMRA Registers
TA01MOD
(0104H)
PWM cycle selection
TMRA0 source clock selection
TMRA1 source clock selection
TMRA01 operation mode selection