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Chapter 20
Port Functions
User’s Manual U16580EE3V1UD00
(e) Port emergency shut off status register 5 (ESOST5)
The ESOST5 register is an 8-bit register that indicates the emergency status control mode
(alternate function).
Writing to the ESOST5 register is only possible in a specific sequence, where a write access to the
command register (PRCMD) must be made before a write access to the ESOST5 register is
accepted. A read operation in between the two write operations is allowed, i.e. read-modify-write is
possible on register ESOST5. For details refer to
This register can be read or written in 8-bit or 1-bit units.
Reset input sets this register to 00H.
Figure 20-40:
Port Emergency Shut Off Status Register 5 (ESOST5))
Remarks: 1.
Writing the emergency shut off status flag (ESO0ST) is only possible, if the ES0EN bit
of the PESC5 register is cleared (0).
2.
The ESO0ST flag can only be cleared by CPU to 0. Setting the ESO0ST flag to 1 is not
possible.
3.
The output buffers of P51 to P56 are forcibly disabled as long as ESO0EN and ESO0ST
of the PESC5 register are set to 1.
After reset:
00H
R/W
Address:
FFFFF88AH
7
6
5
4
3
2
1
0
ESOST
5
ESO0ST
0
0
0
0
0
0
0
ESO0ST
Emergency Shut Off Status
0
No emergency shut off was triggered
1
Emergency shut off of output ports P51 to P56 triggered by ESO0 input
Содержание MuPD70F3187
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Страница 144: ...144 Chapter 3 CPU Functions User s Manual U16580EE3V1UD00 MEMO ...
Страница 192: ...192 Chapter 5 Memory Access Control Function μPD70F3187 only User s Manual U16580EE3V1UD00 MEMO ...
Страница 312: ...312 Chapter 9 16 Bit Timer Event Counter P User s Manual U16580EE3V1UD00 MEMO ...
Страница 534: ...534 Chapter 11 16 bit Timer Event Counter T User s Manual U16580EE3V1UD00 ...
Страница 969: ...969 Chapter 20 Port Functions User s Manual U16580EE3V1UD00 MEMO ...
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Страница 976: ...976 Chapter 22 Internal RAM Parity Check Function User s Manual U16580EE3V1UD00 MEMO ...
Страница 984: ...984 Chapter 23 On Chip Debug Function OCD User s Manual U16580EE3V1UD00 MEMO ...
Страница 1006: ...1006 Chapter 24 Flash Memory User s Manual U16580EE3V1UD00 MEMO ...
Страница 1036: ...1036 Chapter 27 Recommended Soldering Conditions User s Manual U16580EE3V1UD00 MEMO ...
Страница 1046: ...1046 Appendix A Index User s Manual U16580EE3V1UD00 MEMO ...
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