
SII EEPROM
Slave Controller – Technology I-81
R/W1 001
EEPROM_CLK
A18
EEPROM_DATA
t
Clk
A16A17 Ack A15 A13A14 A12 A10A11 A9 AckA8
Start Control Byte High Address Byte
A3 A1A2 Ack D7 D5D6 D4 D2D3 D1 AckD0
Low Address Byte Data Byte 0
A7 A5A6 A4
EEPROM_CLK
EEPROM_DATA
D11 D9D10 Ack
Data Byte 1
D8D15 D13D14 D12
EEPROM_CLK
EEPROM_DATA
Stop
A0
t
Write
t
Write
Figure 39: Write access (2 address bytes, 32 Kbit - 4 Mbit EEPROMs)
R/W1
R/W1 001
EEPROM_CLK
A10
EEPROM_DATA
t
Clk
A8A9 Ack A7 A5A6 A4 A2A3 A1 AckA0
Start Control Byte Low Address Byte
D7 D5D6 D4 D2D3 D1 AckD0
Control Byte Data Byte 0
EEPROM_CLK
EEPROM_DATA
D11 D9D10
Data Byte 1
D8D15 D13D14 D12
EEPROM_CLK
EEPROM_DATA
Start
1 00 A10 A8A9 Ack
Optional: High
Address Byte
No
Ack
DN.3 DN.1DN.2
Data Byte N
DN.0DN.7 DN.5DN.6 DN.4
Stop
Ack
t
Read
t
Read
Figure 40: Read access (1 address byte, up to 16 Kbit EEPROMs)
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