MSC8113 Reference Manual, Rev. 0
18-22
Freescale Semiconductor
Debugging
18.8.3.3 General-Purpose Register
During a shift in of any JTAG instruction, the bits shifted out reflect the status of the SC140 core
(see Table 18-2). To select the SC140 core to which these bits belong, two bits are used in the
JTAG GPR. The GPR shifts in from
TDI
and out to
TDO
. The GPR[ISRSEL] bits select which
EOnCE module and SC140 core status bits are reflected in the capture of any JTAG instruction.
All other encodings are reserved and should be written with a value of 0. Writing a 1 to any of
these bits may result in improper operation.
18.8.3.4 Parallel Input Register
GPR
JTAG General-Purpose Register
JTAG port access only
Bit
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
—
Type
R/W
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
—
ISRSEL
1
ISRSEL
0
Type
R/W
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Table 18-6. GPR Bit Descriptions
Name
Reset
Description
Settings
ISRSEL
0–1
0
Instruction Status Core Select
Defines the SC140 core to which the bits output during
instruction register shifts belong.
00 Core 0.
01 Core 1.
10 Core 2.
11 Reserved.
—
10–31
0
Reserved. Write to zero for future compatibility.
PIREG
JTAG Parallel Input Register
JTAG port access onl
Bit
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
—
core2
cores[1–0]
core2
upd_ack
core1
cores[1–0]
core1
upd_ack
core0
cores[1–0]
core0
upd_ack
Type
R
Reset
0
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
—
Type
R
Reset
0
Summary of Contents for MSC8113
Page 1: ...MSC8113 Reference Manual Tri Core 16 Bit Digital Signal Processor MSC8113RM Rev 0 May 2008 ...
Page 20: ...MSC8113 Reference Manual Rev 0 xx Freescale Semiconductor Contents ...
Page 28: ...MSC8113 Reference Manual Rev 0 xxviii Freescale Semiconductor ...
Page 56: ...MSC8113 Reference Manual Rev 0 1 28 Freescale Semiconductor MSC8113 Overview ...
Page 76: ...MSC8113 Reference Manual Rev 0 2 20 Freescale Semiconductor SC140 Core Overview ...
Page 134: ...MSC8113 Reference Manual Rev 0 4 30 Freescale Semiconductor System Interface Unit SIU ...
Page 168: ...MSC8113 Reference Manual Rev 0 6 18 Freescale Semiconductor Boot Program ...
Page 180: ...MSC8113 Reference Manual Rev 0 7 12 Freescale Semiconductor Clocks ...
Page 260: ...MSC8113 Reference Manual Rev 0 8 80 Freescale Semiconductor Memory Map ...
Page 300: ...MSC8113 Reference Manual Rev 0 9 40 Freescale Semiconductor Extended Core ...
Page 304: ...MSC8113 Reference Manual Rev 0 10 4 Freescale Semiconductor MQBus and M2 Memory ...
Page 308: ...MSC8113 Reference Manual Rev 0 11 4 Freescale Semiconductor SQBus ...
Page 590: ...MSC8113 Reference Manual Rev 0 17 46 Freescale Semiconductor Interrupt Processing ...
Page 614: ...MSC8113 Reference Manual Rev 0 18 24 Freescale Semiconductor Debugging ...
Page 622: ...MSC8113 Reference Manual Rev 0 19 8 Freescale Semiconductor Internal Peripheral Bus IPBus ...
Page 724: ...MSC8113 Reference Manual Rev 0 21 32 Freescale Semiconductor UART ...
Page 920: ...MSC8113 Reference Manual Rev 0 25 150 Freescale Semiconductor Ethernet Controller ...
Page 1171: ...MSC8113 Reference Manual Rev 0 Freescale Semiconductor C 61 EF wait_rts P 01077FFC 9F rts 71 ...
Page 1172: ...MSC8113 Reference Manual Rev 0 C 62 Freescale Semiconductor MSC8113 Boot Code ...
Page 1202: ...MSC8113 Reference Manual Rev 0 Index 30 Freescale Semiconductor Index ...