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參數資料
型號: W93902
廠商: WINBOND ELECTRONICS CORP
元件分類: 尋呼電路
英文描述: POCSAG Decoder For Pagers(尋呼機的POCSAG 解碼器)
中文描述: TELECOM, PAGING DECODER, PDSO24
封裝: SSOP-24
文件頁數: 3/22頁
文件大?。?/td> 244K
代理商: W93902
W93902
Publication Release Date: October 1997
- 3 -
Revision A3
Pin Description, continued
PIN
SYMBOL
I/O
DESCRIPTION
16
RXDATA
Output
Received data output pin
17
RXCLK
Output
Received data output strobe clock
18
SYNVAL
Output
Sync word detector output (out-of-range indicator output)
19
FOUT1
Output
Clock output (32768 Hz, 64 Hz,16 Hz,1/60 Hz or disable)
20
EFOUT2
Input
Multi-frequency output enable pin (internal pull-down resistor)
21
AI
Input
FALM buzzer output enable pin (internal pull-down resistor)
22
FOUT2
Output
Multi-frequency output
23
FALM
Output
2.7 KHz, 3.2 KHz, 2 KHz, 4 KHz, buzzer output (normal high)
24
V
DD
Power
Power supply input (2.5 to 5V)
BLOCK DIAGRAM
Digital
Noise
Filter
Digital
PLL
Data
Register
Timing
Generator
M
e
m
o
r
y
Data
Compare
Error
Correction
Oscillator
Power-on
Reset
CPU Interface
NRZIN
BS1
BS2
BS3
ON
TXDATA
FBUZ1
FBUZ2
EFOUT2
AI
XRESET
RXDATA
RXCLK
ADDDT
SYNVAL
FOUT2
FOUT1
FALM
O
S
C
1
O
S
C
2
V
S
S
BTLDT
TXCLK
V
D
D
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參數描述
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