M93C56-125 STMICROELECTRONICS [STMicroelectronics], M93C56-125 Datasheet - Page 17

• Manufacturer Part Number: M93C56-125
• Description: Automotive 16-Kbit, 8-Kbit, 4-Kbit, 2-Kbit and 1-Kbit (8-bit or 16-bit wide) MICROWIRE serial EEPROM
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M93C86-125 M93C76-125 M93C66-125 M93C56-125 M93C46-125
5.6
Write All
As with the Erase All Memory (ERAL) instruction, the format of the Write All Memory with
same Data (WRAL) instruction requires that a dummy address be provided. As with the
Write Data to Memory (WRITE) instruction, the format of the Write All Memory with same
Data (WRAL) instruction requires that an 8-bit data byte, or 16-bit data word, be provided.
This value is written to all the addresses of the memory device. The completion of the cycle
can be detected by monitoring the READY/BUSY line, as described next.
Figure 6.
1. For the meanings of Xn and Dn, please see
WRITE
ALL
WRAL sequence
S
Q
D
1
CODE
0
OP
0 0
Doc ID 022572 Rev 1
1 Xn X0
ADDR
Dn
Table
4,
Table 5
DATA IN
and
Table
6.
D0
BUSY
STATUS
CHECK
READY
Instructions
AI00880C
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