参数资料
型号: DS1921Z-F5#
厂商: Maxim Integrated
文件页数: 20/45页
文件大小: 0K
描述: IBUTTON THERMOCHRON F5
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
RoHS指令信息: IButton RoHS Compliance Plan
标准包装: 8
系列: iButton®
存储容量: 512B
存储器类型: NVSRAM(非易失 SRAM)
产品目录页面: 1431 (CN2011-ZH PDF)
MEMORY/CONTROL FUNCTION FLOW CHART Figure 10-3
DS1921H/Z
From Figure 10
2 nd Part
A5H
Read Mem.
w/CRC
N
To Figure 10
4 th Part
Y
DS1921 sets
EMCLR = 0
Decision made
by DS1921
Master TX
TA1 (T7:T0), TA2 (T15:T8)
DS1921 sets Memory
Address = (T15:T0)
Decision made
by Master
Master RX
00 Byte
Y
End of
Memory?
N
Master RX Data Byte
from Memory Address
Y
Master
TX Reset?
N
End of Page?
Y
Master RX CRC16 of
Command, Address, Data
(1 st Pass); CRC16 of Data
(Subsequent Passes)
N
DS1921 Incre-
ments Address
Counter
To Figure 10
2 nd Part
CRC OK?
Master TX
Reset
20 of 45
N
Y
From Figure 10
4 th Part
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