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參數(shù)資料
型號: SY87729LHI
廠商: Micrel Inc
文件頁數(shù): 4/17頁
文件大?。?/td> 0K
描述: IC SYNTHESIZER FRACT 3.3V 32TQFP
標(biāo)準(zhǔn)包裝: 250
系列: AnyClock®
類型: 分?jǐn)?shù)合成器
PLL:
主要目的: 以太網(wǎng),光纖通道,SONET/SDH/ATM
輸入: PECL
輸出: PECL
電路數(shù): 1
比率 - 輸入:輸出: 1:1
差分 - 輸入:輸出: 是/是
頻率 - 最大: 365MHz
電源電壓: 3.15 V ~ 3.45 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 32-TQFP 裸露焊盤
供應(yīng)商設(shè)備封裝: 32-EPAD-TQFP
包裝: 托盤
配用: 576-1404-ND - BOARD EVAL N SY87729 EXPERIMENT
MCP7952X/MCP7951X
DS22300A-page 12
Preliminary
2012 Microchip Technology Inc.
5.0
TIME AND CONFIGURATION REGISTERS
REGISTER 5-1:
HUNDREDTHS OF SECONDS 0X00
R/W
Tenth Seconds
Hundredths of Seconds
bit 7
bit 4 bit 3
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
bit 7-4
TENTH SECONDS<3:0>: Tenth Seconds
bit 3-0
HUNDREDTHS OF SECONDS<3:0>: Hundredths of Seconds
Note 1:
Contains the BCD Tens and Hundredths of Seconds.
REGISTER 5-2:
SECONDS 0X01
R/W
ST
10 Seconds
Seconds
bit 7
bit 6
bit 4 bit 3
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
bit 7
ST: Start Oscillator bit
ST is the oscillator Start bit in the MCP795XX devices. Setting this bit to ‘1’ starts the oscillator and
clearing this bit to ‘0’ stops the on-board oscillator.
bit 6-4
10 SECONDS<2:0>: 10 Seconds
bit 3-0
SECONDS<3:0>: Seconds
Note 1:
Contains the BCD seconds and 10 seconds. The range is 00 to 59.
REGISTER 5-3:
MINUTES 0X02
U-0
R/W
10 Minutes
Minutes
bit 7
bit 6
bit 4 bit 3
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
bit 7
Unimplemented: Read as ‘0’
bit 6-4
10 MINUTES<2:0>: 10 Minutes
bit 3-0
MINUTES<3:0>: Minutes
Note 1:
Contains the BCD minutes and 10 minutes. The range is 00 to 59.
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