參數(shù)資料
型號: KSZ9021GN-EVAL
廠商: Micrel Inc
文件頁數(shù): 49/53頁
文件大?。?/td> 0K
描述: BOARD EVALUATION FOR KSZ9021GN
標(biāo)準(zhǔn)包裝: 1
主要目的: 接口,以太網(wǎng)控制器(PHY 和 MAC)
嵌入式:
已用 IC / 零件: KSZ9021GN
已供物品:
相關(guān)產(chǎn)品: 576-3789-ND - TXRX GIG ETH GMII/MII 64-QFN
KSZ9021GN TR-ND - TXRX ETHERNET GB GMII/MII 64MLF
576-3635-ND - TXRX ETHERNET GB GMII/MII 64-MLF
其它名稱: 576-3873
2009 Microchip Technology Inc.
DS22233A-page 53
MCP434X/436X
7.5.3
CONTINUOUS WRITES TO
VOLATILE MEMORY
Continuous writes are possible only when writing to the
volatile memory registers (address 00h, 01h, and 04h).
Figure 7-3 shows the sequence for three continuous
writes. The writes do not need to be to the same volatile
memory address.
7.5.4
CONTINUOUS WRITES TO
NON-VOLATILE MEMORY
Continuous writes to non-volatile memory are not
allowed, and attempts to do so will result in a command
error (CMDERR) condition.
FIGURE 7-3:
Continuous Write Sequence (Volatile Memory only).
A
D
3
A
D
2
A
D
1
A
D
0
00
D
9
D
8
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
111111
1*
111111111
A
D
3
A
D
2
A
D
1
A
D
0
00
D
9
D
8
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
111111
1*
111111111
A
D
3
A
D
2
A
D
1
A
D
0
00
D
9
D
8
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
111111
1*
111111111
COMMAND BYTE
DATA BYTE
SDI
SDO
Note 1: If a Command Error (CMDERR) occurs at this bit location (*), then all following SDO bits will be
driven low until the CS pin is driven inactive (VIH).
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