HT67F60 datasheet(120/242 Pages) HOLTEK

120 / 242 page

Rev. 1.50

120

March 06 , 2012

Rev. 1.50

121

March 06 , 2012

HT67F30/HT67F40/HT67F50/HT67F60

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

16-bit Standard TM Register List - HT67F40/HT67F50/HT67F60

●

TM2C0 Register - 16-bit STM

Bit

Name

T2PAU

T2CK2

T2CK1

T2CK0

T2ON

—

R/W

—

POR

—

Bit 7

T2PAU: TM2 Counter Pause Control

0: Run

1: Pause

The counter can be paused by setting this bit high. Clearing the bit to zero restores

normal counter operation. When in a Pause condition the TM will remain powered up

and continue to consume power. The counter will retain its residual value when this bit

changes from low to high and resume counting from this value when the bit changes

to a low value again.

Bit 6~4

T2CK2, T2CK1, T2CK0: Select TM2 Counter clock

000: fSYS/4

001: fSYS

010: fH/16

011: fH/64

100: fTBC

101: Undefined

110: TCK2 rising edge clock

111: TCK2 falling edge clock

These three bits are used to select the clock source for the TM. Selecting the Reserved

clock input will effectively disable the internal counter. The external pin clock source

can be chosen to be active on the rising or falling edge. The clock source fSYS is the

system clock, while fH and fTBC are other internal clocks, the details of which can be

found in the oscillator section.

Bit 3

T2ON: TM2 Counter On/Off Control

0: Off

1: On

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 T2OC bit, when the T2ON bit changes from low to high.

Bit 2~0

Unimplemented, read as "0"

HT67F60 Datasheet(PDF) 120 Page - Holtek Semiconductor Inc

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