TMP86FS28DFG datasheet(110/272 Pages) TOSHIBA

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Page 98

8. 16-Bit TimerCounter (TC10,TC11)

8.2 16-Bit TimerCounter 11

TMP86FS28DFG

8.2.2 TimerCounter Control

The TimerCounter 11 is controlled by the TimerCounter 11 control register (TC11CR) and two 16-bit timer

registers (TC11DRA and TC11DRB).

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

first source clock pulse that occurs after the upper byte (TC11DRAH and TC11DRBH) is written. Therefore, write the lower

Timer Register

98765

43210

TC11DRA

(0021H, 0020H)

TC11DRAH (0021H)

TC11DRAL (0020H)

(Initial value: 1111 1111 1111 1111)

Read/Write

TC11DRB

(0023H, 0022H)

TC11DRBH (0023H)

TC11DRBL (0022H)

(Initial value: 1111 1111 1111 1111)

Read/Write (Write enabled only in the PPG output mode)

TimerCounter 11 Control Register

TC11CR

(0024H)

432

TFF11

ACAP11

MCAP11

METT11

MPPG11

TC11S

TC11CK

TC11M

Read/Write

(Initial value: 0000 0000)

TFF11

Timer F/F11 control

0: Clear

1: Set

R/W

ACAP11

Auto capture control

0:Auto-capture disable

1:Auto-capture enable

R/W

MCAP11

Pulse width measure-

ment mode control

0:Double edge capture

1:Single edge capture

METT11

External trigger timer

mode control

0:Trigger start

1:Trigger start and stop

MPPG11

PPG output control

0:Continuous pulse generation

1:One-shot

TC11S

TC11 start control

Timer

Extrig-

ger

Event

Win-

dow

Pulse

PPG

R/W

00: Stop and counter clear

OOOOOO

01: Command start

––––

10: Rising edge start

(Ex-trigger/Pulse/PPG)

Rising edge count (Event)

Positive logic count (Window)

–

OOOOO

11: Falling edge start

(Ex-trigger/Pulse/PPG)

Falling edge count (Event)

Negative logic count (Window)

–

OOOOO

TC11CK

TC11 source clock select

[Hz]

NORMAL1/2, IDLE1/2 mode

Divider

SLOW,

SLEEP

mode

R/W

DV7CK = 0

DV7CK = 1

fc/211

fs/23

DV9

fs/23

fc/27

DV5

–

fc/23

DV1

–

External clock (TC11 pin input)

TC11M

TC11 operating mode

select

00: Timer/external trigger timer/event counter mode

01: Window mode

10: Pulse width measurement mode

11: PPG (Programmable pulse generate) output mode

R/W

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