参数资料
型号: KSZ9021GN TR
厂商: Micrel Inc
文件页数: 49/53页
文件大小: 0K
描述: TXRX ETHERNET GB GMII/MII 64MLF
标准包装: 1,000
类型: 收发器
驱动器/接收器数: 8/8
规程: 千兆位以太网
电源电压: 3.135 V ~ 3.465 V
安装类型: 表面贴装
封装/外壳: 64-VFQFN 裸露焊盘
供应商设备封装: 64-QFN(8x8)
包装: 带卷 (TR)
配用: 576-3873-ND - BOARD EVALUATION FOR KSZ9021GN
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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