Table 3-97 IOMUX_ALTF2_DEFAULT_IN Register bit assignments
Bits
Name
Function
[31:0]
IOMUX_ALTF2_DEFAULT_IN[31:0]
Defines value of unselected outputs of ALTF2
input multiplexers for Musca
‑
S1 test chip
multiplexed I/O PA31
‑
PA0:
0b0
: Default to
0b0
.
0b1
: Default to
0b1
.
Reset value
0x0000_0000
.
Note
See
2.2.2 Test chip multiplexed I/O
for the functions that are
available on the multiplexed Musca
‑
S1 test
chip I/O.
IOPAD_DS0 and IOPAD_DS1 Registers
The IOPAD_DS0 and IOPAD_DS1 Register characteristics are:
Purpose
The corresponding bits of the two registers combine to form two-bit values that define the
corresponding drive strengths ofMusca
‑
S1 test chip I/O PA31
‑
PA0. The following table shows
how the bits of the IOPAD_DS0 and IOPAD_DS1 Registers define the drive strengths.
Table 3-98 Test chip I/O drive strengths
IOPAD_DS1/DS0_0 Drive strength (mA)
0b00
2 Default for PA31-PA26
0b01
8, default for PA25-PA20
0b10
4, default for PA19-PA0
0b11
12
Usage constraints
There are no usage constraints.
Memory offset and full register reset value
See
.
The following tables show the IOPAD_DS0 and IOPAD_DS1 Register bit assignments.
Table 3-99 IOPAD_DS0 Register bit assignments
Bits
Name
Function
[31:0]
DRIVE_STRENGTH0
Least significant bits of the two-bit values that
define drive strengths ofMusca
‑
S1 test chip
I/O PA31
‑
PA0.
Reset value
0x03F0_0000
.
3 Programmers model
3.11 Serial Configuration Control registers
101835_0000_01_en
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