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參數(shù)資料
| 型號： | MSM7564-01 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | CONNECTOR ACCESSORY |
| 中文描述： | 連接器附件 |
| 文件頁數(shù)： | 6/28頁 |
| 文件大?。?/td> | 198K |
| 代理商： | MSM7564-01 |
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MSM7564-01
Semiconductor
6
PIN DESCRIPTIONS
System and Clock
Symbol
MCK
RST
SLEEP
CKOEN
CPUCLK
GACLK
Description
Master Clock Input
Frequency of 3.888 MHz ±100 ppm, with a duty ratio of between 45 and 55%.
Reset Input
'0' : reset state, '1' : normal operation
Sleep Input
'0' : sleep state, '1' : normal operation
Clock Output Enable
'0' : CPUCLK and GACLK pins are enabled to output.
(Internal PLL operates normally in sleep state.)
'1' : CPUCLK and GACLK pins are disabled to output.
(Internal PLL turns to be power down in sleep state.)
CPU Clock Output
CPUCLK outputs a 15.552 MHz clock for external CPU.
Gate Array Clock Output
GACLK outputs a 13.824 MHz clock for external gate array.
Type
I
I
I
I
O
O
Modem Digital Interface
Symbol
ST1
ST2
RT
STD
SRD
Description
External Transmit Clock Input
An external transmit clock provided to input to ST1. The clock frequency of 300 to
14400 Hz is supplied by the local DTE.
Internal Transmit Clock Output
ST2 outputs the transmitting data clock of between 300 and 14400 Hz selected by
modem mode.
Internal Receive Clock Output
RT outputs the receiving data clock of between 300 and 14400 Hz selected by modem
mode.
Transmit Data Serial Input
STD inputs the transmit serial data synchronized with either internal timing selected by
modem mode or ST1 / ST2.
Received Data Serial Output
SRD outputs the received serial data synchronized with either internal timing selected
by modem mode or RT.
Type
I
O
O
I
O
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| MSM7566 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Single Rail CODEC |
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