11 debug unit chip id extension register, 12 debug unit force ntrst register – Rainbow Electronics AT91CAP9S250A User Manual
Page 429
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429
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
31.5.11
Debug Unit Chip ID Extension Register
Name:
DBGU_EXID
Access Type:
Read-only
• EXID: Chip ID Extension
Reads 0 if the bit EXT in DBGU_CIDR is 0.
31.5.12
Debug Unit Force NTRST Register
Name:
DBGU_FNR
Access Type:
Read/Write
• FNTRST: Force NTRST
0 = NTRST of the ARM processor’s TAP controller is driven by the power_on_reset signal.
1 = NTRST of the ARM processor’s TAP controller is held low.
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EXID
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EXID
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EXID
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1
0
EXID
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24
–
–
–
–
–
–
–
–
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–
–
–
–
–
–
–
–
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–
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–
–
–
–
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–
7
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1
0
–
–
–
–
–
–
–
FNTRST
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