at91rm3400 ATMEL Corporation, at91rm3400 Datasheet - Page 202

• Manufacturer Part Number: at91rm3400
• Description: Atmel Advanced At91 Arm Microcontroller
• Manufacturer: ATMEL Corporation

Debug Unit Chip ID Extension Register
Name:
Access Type:
• EXID: Chip ID Extension
Reads 0 if the bit EXT in DBGU_CIDR is 0.
Debug Unit Force NTRST Register
Name:
Access Type:
• FNTRST: Force NTRST
0 = NTRST of the ARM processor’s TAP controller is driven by the NTRST pin.
1 = NTRST of the ARM processor’s TAP controller is held low.
202
31
23
15
31
23
15
–
–
–
7
–
7
AT91RM3400
DBGU_EXID
Read-only
DBGU_FNR
Read/Write
30
22
14
30
22
14
–
–
–
–
6
6
29
21
13
29
21
13
–
–
–
5
–
5
28
20
12
28
20
12
–
–
–
–
4
4
EXID
EXID
EXID
EXID
27
19
11
–
–
–
–
27
19
11
3
3
26
18
10
–
–
–
2
–
26
18
10
2
25
17
–
–
–
–
9
1
25
17
9
1
1790A–ATARM–11/03
FNTRST
24
16
24
16
–
–
8
–
0
8
0