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PM0020 Datasheet(PDF) 75 Page - STMicroelectronics

Part # PM0020
Description  STR91xFA Flash programming manual
PDF  87 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PM0020 Datasheet(HTML) 75 Page - STMicroelectronics

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PM00020
ISC logic description
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12.5.13
ISC_NOOP
Description:
Shift out status bits
Requirement:
None
Register:
ISC_Default
Shift-In:
8 bits don't care
Shift-Out:
8 bits status
Mode:
ISC and PSD
Security:
Fully functional
Loaded while a module is busy does not terminate the previous instruction.
Use for polling purpose, checking of the internal operation status (ie. Ready/busy).
12.5.14
ISC_ADDRESS_SHIFT
Description:
Load sector address
Requirement:
Part is in ISC mode
Register:
ISC_Address
Shift-In:
8 bits sector address
Shift-Out:
8 bits don't care
Mode:
ISC
Security:
Blocked
If the device is not in ISC mode, ISC_ADDRESS_SHIFT will not update the Address
register. Furthermore, ISC_ERROR flag will be set.
Table 38.
ISC_NOOP sequence
Step
Tap activity
Comment
0
Run-Test/Idle
Start
1
IR-Scan
Load ISC_NOOP
2
DR-Scan
Shift out status
3
Run-Test/Idle
End
Table 39.
ISC_ADDRESS_SHIFT sequence
Step
Tap activity
Comment
0
Run-Test/Idle
Start
1
IR-Scan
Load ISC_ADDRESS_SHIFT
2
DR-Scan
Sector address shift in
3
Run-Test/Idle
End



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