HT67F60 datasheet(133/242 Pages) HOLTEK

133 / 242 page

HT67F30/HT67F40/HT67F50/HT67F60

TinyPowerTM A/D Flash Type 8-Bit MCU with LCD & EEPROM

Rev. 1.50

132

March 06 , 2012

Rev. 1.50

133

March 06 , 2012

This bit controls the overall on/off function of the TM. Setting the bit high enables the

counter to run, clearing the bit disables the TM. Clearing this bit to zero will stop the

counter from counting and turn off the TM which will reduce its power consumption.

When the bit changes state from low to high the internal counter value will be reset to

zero, however when the bit changes from high to low, the internal counter will retain

its residual value until the bit returns high again.

If the TM is in the Compare Match Output Mode then the TM output pin will be reset

to its initial condition, as specified by the T1OC bit, when the T1ON bit changes from

low to high.

Bit 2~0

T1RP2~T1RP0: TM1 CCRP 3-bit register, compared with the TM1 Counter bit 9~bit 7

Comparator P Match Period

000: 1024 TM1 clocks

001: 128 TM1 clocks

010: 256 TM1 clocks

011: 384 TM1 clocks

100: 512 TM1 clocks

101: 640 TM1 clocks

110: 768 TM1 clocks

111: 896 TM1 clocks

These three bits are used to setup the value on the internal CCRP 3-bit register, which

are then compared with the internal counter┬ highest three bits. The result of this

comparison can be selected to clear the internal counter if the T1CCLR bit is set to

zero. Setting the T1CCLR bit to zero ensures that a compare match with the CCRP

values will reset the internal counter. As the CCRP bits are only compared with the

highest three counter bits, the compare values exist in 128 clock cycle multiples.

Clearing all three bits to zero is in effect allowing the counter to overflow at its

maximum value.

●

TM1C1 Register - 10-bit ETM

Bit

Name

T1AM1

T1AM0

T1AIO1

T1AIO0

T1AOC

T1APOL

T1CDN

T1CCLR

R/W

POR

Bit 7~6

T1AM1~T1AM0: Select TM1 CCRA Operating Mode

00: Compare Match Output Mode

01: Capture Input Mode

10: PWM Mode or Single Pulse Output Mode

11: Timer/Counter Mode

These bits setup the required operating mode for the TM. To ensure reliable operation

the TM should be switched off before any changes are made to the T1AM1 and

T1AM0 bits. In the Timer/Counter Mode, the TM output pin control must be disabled.

Bit 5~4

T1AIO1~T1AIO0: Select TP1A output function

Compare Match Output Mode

00: No change

01: Output low

10: Output high

11: Toggle output

PWM Mode/ Single Pulse Output Mode

00: PWM Output inactive state

01: PWM Output active state

10: PWM output

11: Single pulse output

HT67F60 Datasheet(PDF) 133 Page - Holtek Semiconductor Inc

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