Technical Reference Manual
002-29852 Rev. *B
5.1.41 CPUSS_AP_CTL
Description:
Access port control
Address:
0x40201414
Offset:
0x1414
Retention:
Retained
IsDeepSleep:
No
Comment:
This register enables individual test controller access ports (AP). Note that the system AP is
further controlled by a AP specific MPU, the SMPU and PPUs. The system AP MPU may be
programmed to provide no or limited test controller access capabilities.
Default:
0x0
Bit-field Table
Bits
7
6
5
4
3
2
1
0
Name
None [7:3]
SYS
_ENABLE
[2:2]
CM4
_ENABLE
[1:1]
CM0
_ENABLE
[0:0]
Bits
15
14
13
12
11
10
9
8
Name
None [15:8]
Bits
23
22
21
20
19
18
17
16
Name
None [23:19]
SYS
_DISABLE
[18:18]
CM4
_DISABLE
[17:17]
CM0
_DISABLE
[16:16]
Bits
31
30
29
28
27
26
25
24
Name
None [31:24]
Bit-fields
Bits Name
SW
HW
Default or
Enum
Description
0
CM0_ENABLE
RW
R
0
Enables the CM0 AP interface:
'0': Disabled.
'1': Enabled.
1
CM4_ENABLE
RW
R
0
Enables the CM4 AP interface:
'0': Disabled.
'1': Enabled.
2
SYS_ENABLE
RW
R
0
Enables the system AP interface:
'0': Disabled.
'1': Enabled.
16
CM0_DISABLE
RW1S
R
0
Disables the CM0 AP interface:
'0': Enabled.
'1': Disabled.
Typically, this field is set by the Cypress boot code
with information from eFUSE. The access port is only
enabled when CM0_DISABLE is '0' and
CM0_ENABLE is '1'.
17
CM4_DISABLE
RW1S
R
0
Disables the CM4 AP interface:
'0': Enabled.
'1': Disabled.
Typically, this field is set by the Cypress boot code
with information from eFUSE. The access port is only
enabled when CM4_DISABLE is '0' and
CM4_ENABLE is '1'.
743
2022-04-18
TRAVEO™ T2G Automotive MCU: TVII-B-E-4M body controller entry registers