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參數(shù)資料
| 型號： | HT95A200 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | I/O Type Phone 8-Bit MCU |
| 中文描述： | I / O型電話8位微控制器 |
| 文件頁數(shù)： | 17/48頁 |
| 文件大?。?/td> | 360K |
| 代理商： | HT95A200 |
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HT95AXXX
Rev. 1.20
17
May 26, 2004
Register
Addr.
Reset Conditions
Power On
RES Pin
RES Pin
(Sleep/Idle)
WDT
WDT
(Sleep/Idle)
DTMFC
20H
---- -0-1
---- -0-1
---- -0-1
---- -0-1
---- -u-u
DTMFD
21H
0000 0000
0000 0000
0000 0000
0000 0000
uuuu uuuu
LINE
22H
0--- ----
u--- ----
u--- ----
u--- ----
u--- ----
RTCC
24H
0-0- ----
u-u- ----
u-u- ----
u-u- ----
u-u- ----
MODE
26H
000- ----
00u- ----
00u- ----
00u- ----
000- ----
PFDC
2EH
0000 ----
0000 ----
0000 ----
0000 ----
uuuu ----
PFDD
2FH
0000 0000
0000 0000
0000 0000
0000 0000
uuuu uuuu
PF
34H
1111 1111
1111 1111
1111 1111
1111 1111
uuuu uuuu
PFC
35H
1111 1111
1111 1111
1111 1111
1111 1111
uuuu uuuu
PG
36H
---- 1111
---- 1111
---- 1111
---- 1111
---- uuuu
PGC
37H
---- 1111
---- 1111
---- 1111
---- 1111
---- uuuu
RAM(Data&LCD)
x
u
u
u
u
Note:
u means unchanged
x means unknown
- means unused
Timer/Event Counter
Two timer/event counters (TMR0, TMR1) are imple-
mented in the telephone controller series. The
Timer/Event Counter 0 and Timer/Event Counter 1 con-
tain 16-bits programmable count-up counter and the
clock may come from an external or internal source. For
TMR0, the internal source is the instruction clock (sys-
temclock/4).ForTMR1,theinternalsourceis32768Hz.
Using the 32768Hz clock or instruction clock, there is
only one reference time-base. The external clock input
allows the user to count external events, measure time
intervals or pulse width, or generate an accurate time
base.
There are 3 registers related to the Timer/Event Counter
0; TMR0H, TMR0L and TMR0C. Writing TMR0L only
writes the data into a low byte buffer, but writing TMR0H
simultaneously writes the data along with the contents
of the low byte buffer into the Timer/Event Counter 0
preload register (16-bit). The Timer/Event Counter 0
preload register is changed by writing TMR0H opera-
tions. Writing TMR0L will keep the Timer/Event Counter
0 preload register unchanged.
Reading TMR0H latches the TMR0L into the low byte
buffer to avoid a false timing problem. Reading TMR0L
returns the contents of the low byte buffer. In other
words, the low byte of the Timer/Event Counter 0 can
not be read directly. It must read the TMR0H first to
make the low byte contents of Timer/Event Counter 0 be
latched into the buffer.
There are 3 registers related to the Timer/Event Counter
1; TMR1H, TMR1L and TMR1C. The Timer/Event
Counter 1 operates in the same manner as the
Timer/Event Counter 0.
The TMR0C is the Timer/Event Counter 0 control regis-
ter, which defines the Timer/Event Counter 0 options.
The Timer/Event Counter 1 has the same options as the
Timer/Event Counter 0 and is defined by TMR1C. The
timer/event counter control registers define the operat-
ing mode, counting enable or disable and active edge.
2
2
6 2
6
2
2
2
0
' /
"
'
0
2 6 A
'
' 2
0
'
2 A
' 2
' :
0
A
# 0 &
'
' C '
' 0
1 ' <
' 0
1 2 3 =
' C ' ) % * + , - .
!
& ' :
' :
# #
;
C ' ; '
'
'
'
'
' #
' ' ' ' ' ' ' ' ' ' -
$ 8
2
7
Timer/Event Counter 0/1
相關PDF資料 |
PDF描述 |
|---|---|
| HT95A300 | I/O Type Phone 8-Bit MCU |
| HT95AXXX | I/O Type Phone 8-Bit MCU |
| HT95C20P | 8-Bit CID Type Phone Controller MCU |
| HT95C300 | 8-Bit CID Type Phone Controller MCU |
| HT95C30P | 8-Bit CID Type Phone Controller MCU |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| HT95A200/20P | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Type Phone 8-Bit MCU |
| HT95A20P | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:CID Type Phone 8-Bit MCU |
| HT95A300 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Type Phone 8-Bit MCU |
| HT95A300/30P | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Type Phone 8-Bit MCU |
| HT95A30P | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:CID Type Phone 8-Bit MCU |
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