SDA2546-5 Siemens Semiconductor, SDA2546-5 Datasheet - Page 12

• Manufacturer Part Number: SDA2546-5
• Description: Nonvolatile Memory 4-Kbit E2PROM
• Manufacturer: Siemens Semiconductor

Control Word Table
Clock No.
CS/E
CS/A
WA
DE
DA
Control Word Input Key
CS/E
CS/A
WA
DE
DA
D0 to D7
ST
SP
As
Am
CS
A0 to A8
Semiconductor Group
1
1
1
A7
D7
D7
Chip select for data input into memory (with the word-address-bit A8)
Chip select for data output out of memory
Memory word address
Data word for memory
Data word read out of memory
Data bits
Start condition
Stop condition
Acknowledge bit from memory
Acknowledge bit from master
Chip select bits
Memory word address bits
2
0
0
A6
D6
D6
3
1
1
A5
D5
D5
4
0
0
A4
D4
D4
5
0
–
A3
D3
D3
40
6
A8
–
A2
D2
D2
7
CS
CS
A1
D1
D1
8
0
1
A0
D0
D0
9
0
0
0
0
0/1
(Acknowledge)
through memory
through memory
through memory
through memory
through master
SDA 2546-5