REL1.3
Page 47 of 80
RZ/G1M/G1N Qseven SOM Hardware User Guide
iWave Systems Technologies Pvt. Ltd.
2.8.1
I2S Audio Interface
The RZ/G1M/G1N Qseven SOM supports one I2S audio interface port on Expansion connector2. RZ/G1M/G1N
CPU’s
SSI3 & SSI4 of SSIU is used for I2S interface.
The RZ/G1M/G1N
CPU’s
serial sound interface (SSI) is a transceiver module designed to send or receive audio data
interfacing with a variety of devices offering I2S format. It also supports master/slave functions and multi-channel
format functions. The frequency range of SCK signal is from 297.3 kHz to 12.5MHz at master mode and from 297.3 kHz
to 15.1 MHz at slave mode. SSI Module supports TDM format operation at 44.1- or 48-kHz sampling rate.
For more details, refer Expansion connector2 pins 50, 52, 54 & 56 on
2.8.2
CAN Interface
The RZ/G1M/G1N Qseven SOM supports one CAN interface on Expansion connector2 along with one more CAN
interface on Qseven Edge connector. RZ/G1M/G1N
CPU’s
CAN module supports two channels in which CAN1 channel
is connected to Expansion connector2.
The RZ/G1M/G1N
CPU’s
CAN module complies with the ISO11898-1 Specifications and supports programmable bit
rate up to 1 Mbps with both formats of messages namely the standard identifier (11 bits) and extended ID (29 bits).It
also supports 64 mailboxes in two selectable mailbox mode Normal mailbox mode and FIFO mailbox mode. To connect
external CAN module to this bus, it is necessary to add transceiver in between.
For more details, refer Expansion connector2 pins 41, 43 & 45 on
2.8.3
SPI Interface
The RZ/G1M/G1N Qseven SOM supports one SPI interface on Expansion connector2. RZ/G1M/G1N
CPU’s MSIOF1 is
used for SPI interface which supports full-duplex synchronous four-wire serial interface with DMA.
The RZ/G1M/G1N
CPU’s
MSIOF1 supports serial formats IIS, SPI (master and slave modes) at max speed of 26Mbps. It
supports 32bit x 64 stages for transmit FIFOs & 32bit × 256 stages for receive FIFOs and allows MSB first or LSB first
selectable for data transmission and reception.
For more details, refer Expansion connector2 pins 63, 65, 67 & 69 on
Note: In RZ/G1M/G1N CPU, MSIOF1 and HSCIF1 are multiplexed in same pins and so MSIOF1 cannot be supported
when HSCIF1is supported with Hardware flow control signals. If HSCIF1is supported without Hardware flow control
signals, then MSIOF1 also can be supported.
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