TMP91C824
91C824-107
Table 3.7.3 PWM cycle
@fc = 16 MHz, fs = 32.768 kHz
PWM cycle
2
6
−
1
2
7
−
1
2
8
−
1
Select System
Clock
<SYSCK>
Select Prescaler
Clock
<PRCK1
∼
PRCK0>
Gear Value
<GEAR2
∼
GEAR0>
φ
T1
φ
T4
φ
T16
φ
T1
φ
T4
φ
T16
φ
T1
φ
T4
φ
T16
1 (fs)
XXX
15.4 ms
61.5 ms
246 ms
31.0 ms
124 ms
496 ms
62.3 ms
249 ms
996 ms
000
(fc)
31.5
µ
s
126
µ
s
504
µ
s 63.5
µ
s 254
m 1016
µ
s 127.5
µ
s
510
µ
s 2040
µ
s
001
(
fc
/2)
63.0
µ
s
252
µ
s
1008
µ
s
127
µ
s
508
µ
s 2032
µ
s 255
µ
s 1020
µ
s 4080
µ
s
010
(
fc
/4)
126
µ
s 504
µ
s
2016
µ
s
254
µ
s
1016
µ
s 4064
µ
s 510
µ
s 2040
µ
s 8160
µ
s
011
(
fc
/8)
252
µ
s 1008
µ
s 4032
µ
s
508
µ
s
2032
µ
s 8128
µ
s 1020
µ
s 4080
µ
s 16.32
ms
00
(fFPH)
100
(
fc
/16)
504
µ
s 2016
µ
s 8064
µ
s
1016
µ
s
4064
µ
s
16.256
ms
2040
µ
s 8160
µ
s 32.64
ms
0 (fc)
10
(fc/16 clock)
XXX
504
µ
s 2016
µ
s 8064
µ
s
1016
µ
s
4064
µ
s
16.256 ms
2040
µ
s 8160
µ
s 32.64
ms
XXX: Don't care
(5) Settings for each mode
Table 3.7.4 shows he SFR settings for each mode.
Table 3.7.4 Timer mode setting registers
Register name
TA01MOD
TA1FFCR
<Bit Symbol>
<TA01M1:TA01M 0>
<PWM01:00>
<TA1CLK1:0>
<TA0CLK1:0>
TAFF1IS
Function
Timer mode
PWM cycle
Upper timer input
clock
Lower timer
input clock
Timer F/F invert signal
select
8-bit timer
×
2 channels
00
−
Lower timer match
φ
T1,
φ
T16,
φ
T256
(00, 01, 10, 11)
External clock
φ
T1,
φ
T4,
φ
T16
(00, 01, 10, 11)
0: Lower timer output
1: Upper timer output
16-bit timer mode
01
−
−
External clock
φ
T1,
φ
T4,
φ
T16
(00, 01, 10, 11)
−
8-bit PPG
×
1 channel
10
−
−
External clock
φ
T1,
φ
T4,
φ
T16
(00, 01, 10, 11)
−
8-bit PWM
×
1 channel
11
2
6
−
1, 2
7
−
1, 2
8
−
1
(01, 10, 11)
−
External clock
φ
T1,
φ
T4,
φ
T16
(00, 01, 10, 11)
−
8-bit timer
×
1 channel
11
−
φ
T1,
φ
T16 ,
φ
T256
(01, 10, 11)
−
Output disabled
(note): “
−
” = Don’t care