TMP86FS49AFG Toshiba Semiconductor, TMP86FS49AFG Datasheet - Page 94

• Manufacturer Part Number: TMP86FS49AFG
• Description: 8-Bit Microcontroller
• Manufacturer: Toshiba Semiconductor

8.2 TimerCounter Control
Timer Register
8.2 TimerCounter Control
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TC1DRA
(0011H, 0010H)
TC1DRB
(0013H, 0012H)
TimerCounter 1 Control Register
MPPG1
ACAP1
MCAP1
METT1
TC1CK
(0026H)
TC1CR
TC1M
TC1S
TFF1
(TC1DRA and TC1DRB).
The TimerCounter 1 is controlled by the TimerCounter 1 control register (TC1CR) and two 16-bit timer registers
Note 1: fc: High-frequency clock [Hz], fs: Low-frequency clock [Hz]
Note 2: The timer register consists of two shift registers. A value set in the timer register becomes valid at the rising edge of the
Note 3: To set the mode, source clock, PPG output control and timer F/F control, write to TC1CR during TC1S=00. Set the timer F/
Timer F/F1 control
Auto capture control
Pulse width measure-
ment mode control
External trigger timer
mode control
PPG output control
TC1 start control
TC1 source clock select
[Hz]
TC1 operating mode
select
first source clock pulse that occurs after the upper byte (TC1DRAH and TC1DRBH) is written. Therefore, write the lower
byte and the upper byte in this order (it is recommended to write the register with a 16-bit access instruction). Writing only
the lower byte (TC1DRAL and TC1DRBL) does not enable the setting of the timer register.
F1 control until the first timer start after setting the PPG mode.
TFF1
15
7
MPPG1
14
MCAP1
ACAP1
METT1
6
(Initial value: 1111 1111 1111 1111)
(Initial value: 1111 1111 1111 1111)
13
TC1DRAH (0011H)
TC1DRBH (0013H)
5
0: Clear
0:Auto-capture disable
0:Double edge capture
0:Trigger start
0:Continuous pulse generation
00: Stop and counter clear
01: Command start
10: Rising edge start
11: Falling edge start
00: Timer/external trigger timer/event counter mode
01: Window mode
10: Pulse width measurement mode
11: PPG (Programmable pulse generate) output mode
00
01
10
11
12
TC1S
Rising edge count (Event)
Positive logic count (Window)
Falling edge count (Event)
Negative logic count (Window)
11
4
10
(Ex-trigger/Pulse/PPG)
(Ex-trigger/Pulse/PPG)
DV7CK = 0
3
fc/2
fc/2
fc/2
TC1CK
11
7
3
Page 78
9
NORMAL1/2, IDLE1/2 mode
2
8
External clock (TC1 pin input)
1
7
Timer
Read/Write (Write enabled only in the PPG output mode)
TC1M
O
O
–
–
6
1: Set
1:Auto-capture enable
1:Single edge capture
1:Trigger start and stop
1:One-shot
Extrig-
0
ger
O
O
O
DV7CK = 1
–
fs/2
fc/2
fc/2
5
Read/Write
(Initial value: 0000 0000)
3
7
3
Event
TC1DRAL (0010H)
TC1DRBL (0012H)
O
O
O
–
Read/Write
4
Win-
dow
O
O
O
–
3
Divider
Pulse
DV9
DV5
DV1
TMP86FS49AFG
O
O
O
–
2
SLEEP
SLOW,
mode
PPG
fs/2
O
O
O
O
–
–
1
3
R/W
R/W
R/W
R/W
R/W
0