Reference Manual

55 ConnectCore 9M 2443 & Wi-9M 2443 Hardware Reference
Chapter 1
X1-92 ROE# I/O ROE# Ext. bus control
X1-93 RWE# I/O RWE# Ext. bus control
X1-94 WAIT# I/O WAIT# Ext. bus control
X1-95 RCS1# I/O RCS1# Chip selects
X1-96 RCS2# I/O RCS2# Chip selects
X1-97 RCS3# I/O RCS3# Chip selects
X1-98 RCS4# I/O RCS4# Chip selects
X1-99 PWREN O PWREN 1.8V core power on-off control
X1-100 BATT_FLT# I BATT_FLT# Battery fault
X1-101 CAMCLKOUT O CAMCLKOUT
GPJ11
Master clock to the camera processor
X1-102 CAMRESET O CAMRESET
GPJ12
Software reset or power down to the camera
processor
X1-103 RBE0# O RBE0# Upper byte / lower byte enable
X1-104 RBE1# O RBE1# Upper byte / lower byte enable
X1-107 SS0# O SS0
GPL13
SPI0 chip select
X1-108 SPIMISO0 I SPIMISO0
GPE1
SPI_Master IN
X1-109 SPIMOSI0 O SPIMOSI0
GPE12
SPI_Master OUT
X1-110 SPICLK0 O SPICLK0
GPE13
SPI0 clock
X1-111 I2CSCL O I2CSCL I2C clock
X1-112 I2CSDA I/O I2CSDA I2C data
X1-113 EINT8
USB_DT/PW
I/O EINT8
GPG0
Not used
X1-114 USBP I/O USBP USB data host1, device
X1-115 USBN I/O USBN USB data host1, device
X1-116 VRTC P VRTC Power for RTC
X1-117 GND P GND
X1-118 +3.3V P +3.3V +3.3V for peripherals
X1-119 VLIO P VLIO Power from Li-Ion battery for core
Pin Signal Type Signal name Description