HT68F13 datasheet(64/161 Pages) HOLTEK

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TMPC Register

- HT68F15

Bit

76543210

Name

T1ACP0

T1BCP2

T1BCP1

T1BCP0

¾¾

T0CP1

T0CP0

R/W

¾¾

R/W

POR

1001

¾¾

Bit 7

T1ACP0: TP1A pin enable control

0: disable

1: enable

Bit 6

T1BCP2: TP1B_2 pin enable control

0: disable

1: enable

Bit 5

T1BCP1: TP1B_1 pin enable control

0: disable

1: enable

Bit 4

T1BCP0: TP1B_0 pin enable control

0: disable

1: enable

Bit 3~2

Unimplemented, read as

²0²

Bit 1

T0CP1: TP0_1 pin enable control

0: disable

1: enable

Bit 0

T0CP0: TP0_0 pin enable control

0: disable

1: enable

Programming Considerations

The TM Counter Registers and the Capture/Compare CCRA and CCRB registers, being either 10-bit

or 16-bit, all have a low and high byte structure. The high bytes can be directly accessed, but as the low

bytes can only be accessed via an internal 8-bit buffer, reading or writing to these register pairs must be

carried out in a specific way. The important point to note is that data transfer to and from the 8-bit

buffer and its related low byte only takes place when a write or read operation to its corresponding high

byte is executed.

As the CCRA and CCRB registers are implemented in the way shown in the following diagram and

accessing these register pairs is carried out in a specific way as described above, it is recommended to

use the

²MOV² instruction to access the CCRA and CCRB low byte registers, named TMxAL and

TMxBL, using the following access procedures. Accessing the CCRA or CCRB low byte registers

without following these access procedures will result in unpredictable values.

HT68F13/HT68F14/HT68F15

Enhanced I/O Flash Type MCU

Rev. 1.10

February 9, 2011

Data

Bus

8-bit

Buffer

TMxDH

TMxDL

TMxBH

TMxBL

TMxAH

TMxAL

TM Counter Register (Read only)

TM CCRA Register (Read/Write)

TM CCRB Register (Read/Write)

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