TMP93CS44 datasheet(101/224 Pages) TOSHIBA

101 / 224 page

TMP93CS44/S45

2004-02-10

93CS44-99

Table 3.7.2 PWM Cycle

at fc

= 20 MHz, fs = 32.768 kHz

PWM Cycle

− 1

Select

System

Clock

<SYSCK>

Select

Prescaler

Clock

<PRCK1:0>

Gear Value

<GEAR2:0>

φT1

φT4

φT16

φT1

φT4

φT16

φT1

φT4

φT16

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)

25.2

µs

100.8

µs

403.2

µs

50.8

µs

203.2

µs812.8 µs

102.0

µs

408.0

µs

1.63 ms

001 (fc/2)

50.4

µs

201.6

µs

806.4

µs

101.6

µs

406.4

µs1.63 ms

204.0

µs

816.0

µs

3.26 ms

010 (fc/4)

100.8

µs

403.2

µs1.61 ms

203.2

µs

812.8

µs3.26 ms

408.0

µs

1.63 ms

6.53 ms

011 (fc/8)

201.6

µs

806.4

µs3.23 ms

406.4

µs1.63 ms

6.52 ms

816.0

µs

3.26 ms

13.06 ms

0 (fc)

(fFPH)

100 (fc/16)

403.2

µs1.61 ms

6.45 ms

812.8

µs3.25 ms

13.04 ms

1.63 ms

6.53 ms

26.11 ms

XXX

(Low-frequency

clock)

XXX

15.4 ms

61.5 ms

246 ms

31.0 ms

124 ms

496 ms

62.3 ms

249 ms

996 ms

XXX

(fc/16 clock)

XXX

403.2

µs1.61 ms

6.45 ms

812.8

µs3.25 ms

13.04 ms

1.63 ms

6.53 ms

26.11 ms

XXX: Don’t care

(5) Timer mode setting registers

Table 3.7.3 shows the list of 8-bit timer modes.

Table 3.7.3 Timer Mode Setting Register

T10MOD/T32MOD

TFFCR

Name of Function in

T10M/T32M

PWM2

T1CLK/T3CLK

T0CLK/T2CLK

TFF1IS/TFF3IS

Function

Timer Mode

PWM Cycle

Upper Timer

Input Clock

Lower Timer

Input Clock

Timer F/F Invert

Signal Select

16-bit timer mode

−

External clock

(Only timer 0),

φT1, φT4, φT16

(00, 01, 10, 11)

−

8-bit timer

× 2 channels

−

Lower timer

match,

φT1, 16, 256

(00, 01, 10, 11)

External clock

(Only timer 0),

φT1, φT4, φT16

(00, 01, 10, 11)

0: Lower timer

output

1: Upper timer

output

8-bit PPG

× 1 channel

−

* External clock

(Only timer 0),

φT1, φT4, φT16

(00, 01, 10, 11)

−

8-bit PWM

× 1 channel

− 1, 27 − 1, 28 − 1

(01, 10, 11)

−

* External clock

(Only timer 0),

φT1, φT4, φT16

(00, 01, 10, 11)

−

8-bit timer

× 1 channel

−

φT1, φT16, φT256

(01, 10, 11)

−

Output disabled

−: Don’t care, *: Don’t set in T10MOD

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