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Debug support (DBG)
Bits 8:6 FIFOSIZE[2:0]: FIFO size in powers of two
0x2: FIFO size = 4 bytes
Bit 5 CLKRELAT: indicates relationship between ATB clock and TRACECLKIN
0: Synchronous
1: Asynchronous
Bits 4:0 MAXNUM[4:0]: number/type of ATB input port multiplexing
0x0: one input port
36.10.11 TPIU device type identifier register (TPIU_DEVTYPER)
Address offset: 0xFCC
Reset value: 0x0000 0011
31
30
29
28
Res.
Res.
Res.
Res.
15
14
13
12
Res.
Res.
Res.
Res.
Bits 31:8 Reserved, must be kept at reset value.
Bits 7:4 SUBTYPE[3:0]: sub-classification
0x1: trace port component
Bits 3:0 MAJORTYPE[3:0]: major classification
0x1: trace sink component
36.10.12 TPIU CoreSight peripheral identity register 4 (TPIU_PIDR4)
Address offset: 0xFD0
Reset value: 0x0000 0004
31
30
29
28
Res.
Res.
Res.
Res.
15
14
13
12
Res.
Res.
Res.
Res.
Bits 31:8 Reserved, must be kept at reset value.
Bits 7:4 F4KCOUNT[3:0]: register file size
0x0: Register file occupies a single 4-Kbyte region.
Bits 3:0 JEP106CON[3:0]: JEP106 continuation code
0x4: Arm
1280/1306
27
26
25
24
Res.
Res.
Res.
Res.
11
10
9
8
Res.
Res.
Res.
Res.
27
26
25
24
Res.
Res.
Res.
Res.
11
10
9
8
Res.
Res.
Res.
Res.
®
JEDEC code
RM0461 Rev 5
23
22
21
20
Res.
Res.
Res.
Res.
7
6
5
4
SUBTYPE[3:0]
r
r
r
r
23
22
21
20
Res.
Res.
Res.
Res.
7
6
5
4
F4KCOUNT[3:0]
r
r
r
r
RM0461
19
18
17
16
Res.
Res.
Res.
Res.
3
2
1
0
MAJORTYPE[3:0]
r
r
r
r
19
18
17
16
Res.
Res.
Res.
Res.
3
2
1
0
JEP106CON[3:0]
r
r
r
r
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