REL1.1
Page 11 of 51
iWave Systems Technologies Pvt. Ltd.
RZ/G1C SBC Hardware User Guide
2.
ARCHITECTURE AND DESIGN
This section provides detailed information about the RZ/G1C SBC features and Hardware architecture with high level
block diagram. Also, this section provides detailed information about SBC Expansion connectors pin assignment and
usage.
2.1
RZ/G1C SBC Block Diagram
20Pin
Expansion
Connector
Dual Stack
RCA Jack /Header
(Optional)
Micro SD
Connector
Power
Regulators
CPU
RZ/G1C
Miniature JTAG
Connector
DDR3
–
512MB
(Upgradable)
DDR3 (32bit)
LVDSx1,CANx1,SSIx2,UARTx3,
I2Cx1,PWMx1,PRESETOUT#
I2C1, I2C4,
MSIOF2, SCIF2,
GPIOs
iW-RainboW-G23S - RZ/G1C SBC Block Diagram
eMMC
–
8GB
(Upgradable)
MMC(8bit)
DBSC
MMC0
DU0, SSI6
HDMI
Transmitter
RGB (24bpp),I2S
HDMI
Connector
JTAG
SPI Flash-16MB
(Upgradable)
SPI & Reset
QSPI0
JTAG
USB0
USB MicroB
Connector
40Pin
Expansion
Connector2
LVDS, CAN0, I2C3
HSCIF1,2, SCIF5
SSI0/9,1, PWM0
Power IN Jack &
Optional 4Pin
Lockable Header
Power to On-Board
Peripherals
¹ Since EtherAVB collision detection signal is multiplexed
with VIN0 clock signal in CPU, EtherAVB collision
detection feature is not supported by default.
² 40Pin Expansion Connector1 pinout is compatible with
RaspberryPi3 Connector
USB OTG
(as Device only)
RCA Jack
CVBS in
USB1
EtherAVB
1
Ethernet PHY
GMII
RJ45
Magjack
USB2.0 HUB
(2 Ports)
USB
Dual Stack
USB TypeA
Connector
Analog Video Input
CVBS Out
Camera(8bit),UART/I2C,
Debug UART & PWM
VIN0, SCIF4/I2C0,
SCIF1, PWM2
SDHI2
Analog Video Output
5V, 3.3V
40Pin
Expansion
Connector1²
UART,SPI,
I2Cx2 & GPIOs
5V
Reset
Push button
Switch
PRESET#
Reset Input
SD (4bit)
5V
SPI Programming
Header
–
6Pin
RTC Controller
RTC Coin Cell
Header
I2C3
5V, 3.3V
Boot Media
Switch
MD1,MD2
Figure 1: RZ/G1C SBC Block Diagram
