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參數(shù)資料
| 型號： | HT9580 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | Character Pager Controller |
| 中文描述： | 字符傳呼機控制器 |
| 文件頁數(shù)： | 26/63頁 |
| 文件大?。?/td> | 444K |
| 代理商： | HT9580 |
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HT9580
26
April 28, 2000
Preliminary
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D/A registers
Address
Register
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
State on
POR
002FH
D/A-L
DA7
DA6
DA5
DA4
DA3
DA2
DA1
DA0
0000 0000
0030H
D/A-H
X
X
X
X
X
D/A_PD
RSSI
BAT
uuuu u1uu
The system can quit the HALT mode by an ex-
ternal reset, an interrupt, an external falling
edge signal on port A or an RTC time out.
The HT9580 has one internal 8-bit D/A con-
verter which can measure the battery voltage
and the RSSI input signal from the IF of the RF
circuit. The DA0~DA7 is the digital input of the
D/Aconverter and the analog outputs to the pin
named DA_OUT. Bit BAT of the DA-H register
(0030H) is the output of the comparator. Its in-
put at the - terminal is from the D/A output
and the + terminal comes from the input pin
BAF. The bit RSSI of DA-H register (0030H) is
the output of another comparator. Its input at
- terminal is from the D/A output and
minal comes from the input pin RSSI. The soft-
ware can detect the battery voltage and the
RSSI signal by writing to the bits DA0 ~DA7
(002FH)andreadingthebitsBAT,RSSI(0030H).
ter-
Bit D/A_PD is used for the D/A power down
control.Ifthisbitislogichigh,theD/Awillbein
the power down mode. Otherwise, the D/A is in
the normal condition. For details see the follow-
ing figure.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HT95A30P | 8-Bit LCD Type Phone Controller MCU |
| HT95L300 | 8-Bit LCD Type Phone Controller MCU |
| HT95A20P | 8-Bit LCD Type Phone Controller MCU |
| HT95L300-100QEP-A | LCD Type Phone 8-Bit MCU |
| HT95A400 | Time-Delay Relay; Mounting Type:Plug In; Relay Mounting:Plug-In |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HT95A100 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:LCD Type Phone 8-Bit MCU |
| HT95A100/10P | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Type Phone 8-Bit MCU |
| HT95A10P | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:LCD Type Phone 8-Bit MCU |
| HT95A200 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Type Phone 8-Bit MCU |
| 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 |
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