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| 型號： | PCA5010 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Pager baseband controller |
| 中文描述： | 傳呼機基帶控制器 |
| 文件頁數(shù)： | 41/112頁 |
| 文件大?。?/td> | 627K |
| 代理商： | PCA5010 |
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1998 Nov 02
41
Philips Semiconductors
Product specification
Pager baseband controller
PCA5010
WU0 to WU15 is a 16-bit register that is loaded by the
processor. The contents of this register will be loaded into
a 16-bit reload latch with a positive pulse on SET and into
the 16-bit ripple down counter with a positive pulse on
LOAD.
The value stored in the wake-up counter cannot be read by
software. The contents of this counter are only initialized
when RESETIN is activated. During an off sequence the
wake-up counter continues its operation.
The wake-up-interrupt can only occur while the STB flag in
the DCCON0 SFR is HIGH, i.e. the DC/DC converter is
able to sustain the V
DD
supply voltage. If the STB flag is
logic 0 the wake-up counter continues its operation, the
wake-up flag is set when expired (and can still be checked
by software), but an interrupt is not generated.
6.14.4
E
XAMPLE SEQUENCE FOR CONTROLLING THE
WAKE
-
UP COUNTER
Sequence to set another reload value:
MOV WUC1, #(high VALUE)
MOV WUC0, #(low VALUE)
MOV WUCON, #82H; set RUN and LOAD bit
MOV WUCON, #83H; activate SET flag
MOV PCON, #01H; >>> IDLE, WAIT FOR CPL
INTERRUPT.
6.14.5
T
IMING
Fig.22 Operation of wake-up counter to microcontroller interface.
handbook, full pagewidth
MGR123
SET bit in SFR
internal SET flag
internal STORE
internal data
counter value
LOAD
data in SFR
CPL bit in WUCON
(generates interrupt
if enabled)
transfer to 1 V registers completed, data may change again
cleared by software
set by hardware
m
m
i
i
1
m
m
1
相關(guān)PDF資料 |
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|---|---|
| PCA5010H | Pager baseband controller |
| PCA82C200 | STAND-ALONE CAN-CONTROLLER |
| PCA82C200P | STAND-ALONE CAN-CONTROLLER |
| PCA82C200T | STAND-ALONE CAN-CONTROLLER |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCA5010H | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Pager baseband controller |
| PCA5010H/XXX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:MICROCONTROLLER|8-BIT|8051 CPU|CMOS|QFP|48PIN|PLASTIC |
| PCA503HL320 | 制造商:ADAM-TECH 制造商全稱:Adam Technologies, Inc. 功能描述:ZIF FLEX CIRCUIT CONNECTOR |
| PCA503HU320 | 制造商:ADAM-TECH 制造商全稱:Adam Technologies, Inc. 功能描述:ZIF FLEX CIRCUIT CONNECTOR |
| PCA503V320 | 制造商:ADAM-TECH 制造商全稱:Adam Technologies, Inc. 功能描述:ZIF FLEX CIRCUIT CONNECTOR |
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