M93C46-R STMICROELECTRONICS [STMicroelectronics], M93C46-R Datasheet - Page 17

• Manufacturer Part Number: M93C46-R
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M93C86, M93C76, M93C66, M93C56, M93C46
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
OP
0
0 0
1 Xn X0
ADDR
Dn
Table
5.,
Table 6.
DATA IN
and
Table
D0
7..
BUSY
STATUS
CHECK
READY
Instructions
AI00880C
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