STMicroelectronics M93C66-WMN6P Memory IC M93C66-WMN6P Data Sheet
Product codes
M93C66-WMN6P
DocID4997 Rev 15
M93C86-x M93C76-R M93C66-x M93C56-x M93C46-x
Instructions
32
5.2.3 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.
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. WRAL sequence
1. For the meanings of Xn and Dn, please see
and
AI00880C
S
WRITE
ALL
ALL
DATA IN
D
Q
ADDR
OP
CODE
Dn
D0
BUSY
READY
CHECK
STATUS
1
0 0
0
1 Xn X0