Power Application Controller
®
-54-
Copyright 2020 © Qorvo, Inc.
Rev 1.0
– Jan 17, 2020
9.14 AIO54
AIO54 may be configured as a pair of digital I/O or as a differential amplifier with protection.
9.14.1 System Block Diagram
Figure 9-4 AIO54 Block Diagram
CFGAIO5.CAL54EN
AIO3
AIO2
-
+
CFGAIO4.GAIN54
CFGAIO4.MODE54
AIO54 Differential Amplifier
VSSA
VSSA
VREF/ 2
S/ H
DAO54
SHCFG1.DAO54SH
EMUX
MUXA
MUXA
AB6
High-Z
CFGAIO5.OS54EN
CFGAIO4.MODE54
AIO4, AIO5 Digital I/O
CFGAIO4.POL4
I/O Logic Polarity
OD
CFGAIO4.OPT4
CFGAIO4.MODE54
M
U
X
DINSIG0.DIN4
DOUTSIG0.DOUT4
I/O
CFGAIO4.MUX4
CFGAIO5.OPT5
CFGAIO4.MODE54
CFGAIO5.POL5
I/O Logic Polarity
OD
M
U
X
DINSIG0.DIN5
DOUTSIG0.DOUT5
I/O
CFGAIO5.MUX5
DBUS
DBx
AIO54 Protection
LPDACH
LPDACL
CFGAIO4.LP54EN
CFGAIO4.LP54PREN
Protection Mask
PROTINTM.LP54INTEN
PROTSTAT.LP54INT
SIGINTF.LP54STAT
-
+
LP10
10b
LPDAC*
SIGSET.LPROTHYS
HPDACH
HPDACL
CFGAIO5.HP54EN
CFGAIO5.HP54PREN
Protection Mask
PROTINTM.HP54INTEN
PROTSTAT.HP54INT
SIGINTF.HP54STAT
-
+
HP10
10b
HPDAC*
SIGSET.HPROTHYS
ABUS
AB3
SIGSET.LPDACAB3
AB2
SIGSET.HPDACAB2
Gate
Driver
PR
LPROT54
PA7
IRQ1
Gate
Driver
PR
HPROT54
PA7
IRQ1
* Common DAC for AIO10, AIO32 and AIO54