參數(shù)資料
型號(hào): SM840004-11KA TR
廠商: Micrel Inc
文件頁數(shù): 2/10頁
文件大小: 0K
描述: IC CLOCK SYNTHESIZER LN 20TSSOP
產(chǎn)品培訓(xùn)模塊: High Bandwidth Product Overview
標(biāo)準(zhǔn)包裝: 1,000
系列: RotaryWave™
類型: 時(shí)鐘/頻率合成器
PLL:
主要目的: 以太網(wǎng)
輸入: 晶體
輸出: LVCMOS
電路數(shù): 1
比率 - 輸入:輸出: 1:4
差分 - 輸入:輸出: 無/無
頻率 - 最大: 125MHz
電源電壓: 2.375 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 20-TSSOP
包裝: 帶卷 (TR)
MCP795W1X/MCP795W2X
DS22280C-page 10
Preliminary
2011-2012 Microchip Technology Inc.
3.3
Write Enable (EEWREN) and Write
Disable (EEWRDI)
The MCP795WXX contains a write enable latch.
This latch must be set before any EEWRITE,
SRWRITE and IDWRITE operation will be completed
internally. The EEWREN instruction will set the latch, and
the EEWRDI will reset the latch.
The following is a list of conditions under which the
write enable latch will be reset:
Power-up
EEWRDI instruction successfully executed
SRWRITE instruction successfully executed
EEWRITE instruction successfully executed
IDWRITE instruction successfully executed
FIGURE 3-4:
WRITE ENABLE SEQUENCE (EEWREN)
FIGURE 3-5:
WRITE DISABLE SEQUENCE (EEWRDI)
SCK
0
2
34
56
7
1
SI
High-Impedance
SO
CS
01
00
0
1
SCK
0
2345
67
1
SI
High-Impedance
SO
CS
01
00
0
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