Rainbow Electronics DS2705 - Manual (Page 16)

DS2705: SHA-1 Authentication Master
16 of 18
Table 7. Slave Function Commands
COMMAND DESCRIPTION
COMMAND
PROTOCOL
BUS STATE
AFTER
COMMAND
PROTOCOL
BUS DATA
Read Data
Reads data from
memory starting at
address XX
RESET
CCh
69h
Address
Master Rx
Up to 256 bytes of
data
Write Data
Writes data to
memory starting at
address XX
RESET
CCh
6Ch
Address
Master Tx
Up to 256 bytes of
data
Copy Data
Copies shadow RAM
data to EEPROM
RESET
CCh
48h
Program Pulse
Master Rx
Read data = 0 until
command completes
Recall Data
Recalls EEPROM to
shadow RAM
RESET
CCh
B8h
Master Reset None