Allwinner A20 - Page 15

A20 User Manual (Revision 1.2) Copyright © 2013 Allwinner Technology Co., Ltd. All Rights Reserved. Page 15 / 812
● One I2S compliant audio interface, supporting 8-channel and 2-channel input
● One PCM, supporting linear sample(8-bit or 16-bit), 8-bit u-law and A-law companded sample
● One AC97 audio codec, supporting 2-channel and 6-channel audio data output
Transport Stream Controller
● Support both SPI and SSI
● Speed up to 150Mbps for both SPI and SSI
● Support 32-channel PID filter
● Support hardware PCR packet detect
Open-Drain TWI
● Up to 5 TWIs(Two Wire Interface)
● Support Standard mode(up to 100K bps) and Fast mode(up to 400K bps)
● Master/Slave configurable
● Allows 10-bit addressing transactions
Smart Card Reader
● One smart card reader controller supporting ISO/IEC 7816-3 and EMV2000 specifications
● Support synchronous and any other non-ISO 7816 and non-EMV cards
SPI
● Full-duplex synchronous serial interface
● Up to 4 independent SPI controllers
● Master/Slave configurable
● Mode0~3 are supported for both transmit and receive operations
● SPI clock are configurable
UART
● Up to 8 UART controllers
– UART0 with two wires for debug tools
– UART1 with 8 wires
– UART2/3 each with 4 wires
– others each with 2 wires
● Compliant with industry-standard 16550 UARTs
● Support Infrared Data Association(IrDA) 1.0 SIR
PS2
● Two PS2 compliant to IBM PS2 and AT-compatible keyboard and mouse interface
● Dual-role controller: a PS2 host or a PS2 device
CIR
● A flexible receiver for IR remote control