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Device identification command
Figure 19.1.9 shows the device identification command execution timing.
The command code is latched into the internal command latch at the rising edge of the WE signal
by inputting the control signals and the command code "90
The manufacture's code "1C
"00000
" and the control signals in the second cycle. The device code "D0
16
memory) is output externally when inputting an address "00001
A
–A
0
16
CE
OE
WE
Floating
D
–D
0
7
V
H
PP
V
PP
V
L
PP
ADI (Device identification address) : Manufacturer's code 00000
DDI (Device identification data) : Manufacturer's code 1C
Fig. 19.1.9 Device identification command execution timing
FLASH MEMORY VERSION
" (i.e., MITSUBISHI) is output externally when inputting an address
16
t
WC
t
RRW
t
CH
t
CS
t
WP
t
DS
Floating
90
16
t
DH
t
VSC
First cycle
7751 Group User's Manual
19.1 Parallel input/output mode
" in the first cycle.
16
" and the control signals.
16
ADI
t
RC
t
WRR
t
a
(CE)
t
a
(OE)
t
OLZ
t
CLZ
t
a
(AD)
Second cycle
16
; device code D0
16
___
" (i.e., 1M–bit flash
16
t
DF
t
Floating
OH
Data
DDI output
; device code 00001
16
16
19–17
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