HT82M9BA datasheet(13/44 Pages) HOLTEK

13 / 44 page

HT82M9BE/HT82M9BA

Rev. 1.80

December 22, 2008

Reset

(Power On)

WDT

Time-out

(Normal

Operation)

RES Reset

(Normal

Operation)

RES Reset

(HALT)

WDT

Time-out

(HALT)*

USB Reset

(Normal)

USB Reset

(HALT)

TMR0C

00-0 1---

uu-u u---

00-0 1---

TMR1H

xxxx xxxx

0000 0000

uuuu uuuu

TMR1L

xxxx xxxx

0000 0000

uuuu uuuu

TMR1C

00-0 1---

uu-u u---

00-0 1---

1111 1111

xxxx xxxx

1111 1111

xxxx xxxx

1111 1111

PAC

1111 1111

xxxx xxxx

1111 1111

xxxx xxxx

1111 1111

xxxx xxxx

1111 1111

xxxx xxxx

1111 1111

PBC

1111 1111

xxxx xxxx

1111 1111

xxxx xxxx

1111 1111

1111 xxxx

1111 1111

1111 xxxx

1111 1111

PCC

1111 1111

1111 xxxx

1111 1111

1111 xxxx

1111 1111

USC

11xx 0000

11xx xuux

11xx 0000

11xx xuux

1100 0u00

USR

0000 0000

u0uu 0u00

0000 0000

u0uu uuuu

u1uu 0000

SCC

0000 0000

uu00 u000

0000 0000

uu0u u000

uu00 u000

TBHP

0000 0000

000u uuuu

Pipe_ctrl

0000 1110

0000 0uuu

0000 1110

AWR

0000 0000

uuuu uuuu

0000 0000

uuuu uuuu

0000 0000

STALL

0000 1110

0000 uuuu

0000 1110

0000 uuuu

0000 0000

SIES

0100 0000

uuuu uuuu

0100 0000

uuuu uuuu

0000 0000

MISC

0x00 0000

uuuu uuuu

0000 0000

uuuu uuuu

0000 0000

Endpt_EN

0000 1111

0000 uuuu

0000 1111

FIFO0

xxxx xxxx

uuuu uuuu

0000 0000

FIFO1

xxxx xxxx

uuuu uuuu

0000 0000

FIFO2

xxxx xxxx

uuuu uuuu

0000 0000

FIFO3

xxxx xxxx

uuuu uuuu

0000 0000

Note:

²*² stands for ²warm reset²

²u² stands for ²unchanged²

²x² stands for ²unknown²

Timer/Event Counter

Two timer/event counters (TMR0, TMR1) are imple-

mented in the microcontroller. The Timer/Event Counter

0 contains an 8-bit programmable count-up counter and

the clock may comes from an external source or from

fSYS/4.

The Timer/Event Counter 1 contains an 16-bit program-

mable count-up counter and the clock may come from

an external source or from the system clock divided by

Using the internal clock source, there is only 1 reference

time-base for Timer/Event Counter 0. The internal clock

source is coming from fSYS/4.

The external clock input allows the user to count exter-

nal events, measure time intervals or pulse widths.

Using the internal clock source, there is only 1 reference

time-base for Timer/Event Counter 1. The internal clock

source is coming from fSYS/4. The external clock input

allows the user to count external events, measure time

intervals or pulse widths.

There are 2 registers related to the Timer/Event Counter

0; TMR0 ([0DH]), TMR0C ([0EH]). Two physical regis-

ters are mapped to TMR0 location; writing TMR0 makes

the starting value be placed in the Timer/Event Counter

0 preload register and reading TMR0 gets the contents

of the Timer/Event Counter 0. The TMR0C is a

timer/event counter control register, which defines some

options.

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