tc58dvm92a5ta00 TOSHIBA Semiconductor CORPORATION, tc58dvm92a5ta00 Datasheet - Page 22

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tc58dvm92a5ta00

Manufacturer Part Number
tc58dvm92a5ta00
Description
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet

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Status Read
RY
RY
to I/O8
CLE
CLE
ALE
I/O1
ALE
The Status Read function is used to monitor the Ready/Busy status of the device, determine the result
(pass/fail) of a Program or Erase operation, and determine whether the device is in Protect mode. The device
status is output via the I/O port on the RE clock after a Status Read command "70h" input. The resulting
information is outlined in Table 5 .
Table 5. Status output table for Status Read command "70h"
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
I/O8
/
/
CE
CE
WE
WE
RE
RE
BY
BY
I/O
System Design Note: If the
The device automatically implements the execution and verification of the Program and Erase operations.
An application example with multiple devices is shown in Figure 5.
N
1
Device
CE
1
70h
1
Write Protect
Ready/Busy
Pass/Fail
Not Used
Not Used
Not Used
Not Used
Not Used
STATUS
diagram, the Status Read function can be used to determine the status of each
individual device.
RY
Device
CE
Figure 5. Status Read timing application example
/
Pass: 0
0
0
0
0
0
Ready: 1
Protect: 0
2
BY
2
Status on Device 1
pin signals from multiple devices are wired together as shown in the
OUTPUT
70h
Device
CE
Busy
3
22
3
Fail: 1
Not Protected: 1
Busy: 0
Status on Device N
valid when the device is in the Ready
state.
The Pass/Fail status on I/O1 is only
TC58DVM92A5TA00
Device
CE
N
N
2010-07-13
CE +
Device
N + 1
N
1

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