Table 3-66 IOMUX registers
Offset
Register
Register function
Register description
0x0868
IOMUX_MAIN_INSEL
ControlsMusca
‑
S1 test chip I/O PA31-PA0.
ConnectsMusca
‑
S1 test chip input to either
MAIN_IN or ALTF1.
0x0870
IOMUX_MAIN_OUTSEL
Controls the Musca
‑
S1 test chip I/O PA31-
PA0.
Connects either MAIN_OUT or ALTF1
toMusca
‑
S1 test chip output.
0x0878
IOMUX_MAIN_OENSEL
Controls the Musca
‑
S1 test chip I/O PA31-
PA0.
Selects either MAIN_OE or ALTF1_OENSEL
asMusca
‑
S1 test chip output enable signal.
0x0088
IOMUX_MAIN_DEFAULT_IN Controls the Musca
‑
S1 test chip I/O PA31-
PA0.
Drives unselected outputs of MAIN input
multiplexers to defined logic levels to prevent
floating nodes.
IOMUX_MAIN_DEFAULT_IN Register
0x0888
IOMUX_ALTF1_INSEL
Controls the Musca
‑
S1 test chip I/O PA31-
PA0.
Routes connection from MAIN input
multiplexer to either ALTF1_IN or ALTF2.
0x0890
IOMUX_ALTF1_OUTSEL
Controls the Musca
‑
S1 test chip I/O PA31-
PA0.
Connects either ALTF1_OUT or ALTF2 to
MAIN output multiplexer.
0x0898
IOMUX_ALTF1_OENSEL
Controls the Musca
‑
S1 test chip I/O PA31-
PA0.
Connects either ALTF1_OE or ALTF2 to
MAIN_OESEL multiplexer.
0x08A0
IOMUX_ALTF1_DEFAULT_IN Controls the Musca
‑
S1 test chip I/O PA31-
PA0.
Drives unselected outputs of ALTF1 input
multiplexers to defined logic levels to prevent
floating nodes.
IOMUX_ALTF1_DEFAULT_IN Register
0x08A8
IOMUX_ALTF2_INSEL
Controls the Musca
‑
S1 test chip I/O PA31-
PA0.
Routes connection from ALTF1 input
multiplexers to either ALTF2_IN or
ALTF3_IN.
3 Programmers model
3.11 Serial Configuration Control registers
101835_0000_01_en
Copyright © 2019, 2020 Arm Limited or its affiliates. All rights
reserved.
3-124
Non-Confidential