Cirrus Logic CDB6422 - Manual (Page 2)

CDB6422
2 DS295DB2
TABLE OF CONTENTS
1. GENERAL DESCRIPTION ............................................................................................................... 4
2. HARDWARE ..................................................................................................................................... 4
2.1 Powering the Board ................................................................................................................... 4
2.2 Analog Configuration ................................................................................................................. 4
2.2.1 Acoustic Input ............................................................................................................... 4
2.2.1.1 AIN1: ............................................................................................................ 4
2.2.1.2 MIC_BIAS: ................................................................................................... 4
2.2.1.3 AIN2: ............................................................................................................ 4
2.2.1.4 AIN3, AIN4: .................................................................................................. 4
2.2.1.5 AIN5: ............................................................................................................ 5
2.2.1.6 AIN6, AIN7: .................................................................................................. 5
2.2.2 Acoustic Output ............................................................................................................ 5
2.2.2.1 AOUT1: ........................................................................................................ 5
2.2.2.2 AOUT2: ........................................................................................................ 5
2.2.2.3 AOUT3, AOUT4: .......................................................................................... 5
2.2.2.4 AOUT5: ........................................................................................................ 5
2.2.2.5 AOUT6: ........................................................................................................ 5
2.2.2.6 SPEAKER_GAIN: ........................................................................................ 5
2.2.3 Network Input ............................................................................................................... 5
2.2.3.1 NIN1: ............................................................................................................ 5
2.2.3.2 NIN2, NIN3: .................................................................................................. 5
2.2.3.3 NIN4: ............................................................................................................ 5
2.2.4 Network Output ............................................................................................................. 6
2.2.4.1 NOUT1: ........................................................................................................ 6
2.2.4.2 NOUT2: ........................................................................................................ 6
2.2.4.3 NOUT3, NOUT4: .......................................................................................... 6
2.2.4.4 NOUT5: ........................................................................................................ 6
2.2.4.5 NOUT6: ........................................................................................................ 6
2.3 CODEC Configuration ............................................................................................................... 6
2.4 DAA Configuration ..................................................................................................................... 6
2.5 Microcontroller Configuration ..................................................................................................... 6
2.5.1 PROGRAM/RUN: ......................................................................................................... 6
2.5.2 EXT/UC: ....................................................................................................................... 6
2.5.3 UC_RESET: ................................................................................................................. 6
2.6 Miscellaneous ............................................................................................................................ 6
2.6.1 HOOK SWITCH: ........................................................................................................... 6
2.6.2 KEYPAD: ...................................................................................................................... 7
2.6.3 DIP SWITCH: ............................................................................................................... 7
2.6.4 “6422_RST” PUSHBUTTON: ....................................................................................... 7
2.6.5 “LOAD” PUSHBUTTON: ............................................................................................... 7
2.6.6 “VOL_DOWN” PUSHBUTTON: .................................................................................... 8
2.6.7 “VOL_UP” PUSHBUTTON: .......................................................................................... 8
3. COMMAND SERIAL PORT DESCRIPTION ..................................................................................... 8
3.1 Command List: ........................................................................................................................... 8
3.2 Command Descriptions: ............................................................................................................ 9
3.2.1 ver - Output Code Version ........................................................................................... 9
3.2.2 reset - Reset 8515 ........................................................................................................ 9
3.2.3 r - Reset CS6422 .......................................................................................................... 9
3.2.4 wr [xxxb] - Write CS6422 Register ............................................................................... 9
3.2.5 wrb [ab cd] - Write Bits in CS6422 Register ................................................................. 9
3.2.6 rd [x] - Read CS6422 Register ..................................................................................... 9
3.2.7 swd [1..9] - Switch Down .............................................................................................. 9
3.2.8 swu [1..9] - Switch Up ................................................................................................. 10
3.2.9 swp - Poll Dip Switches .............................................................................................. 10
3.2.10 off_hook - DAA Off Hook ......................................................................................... 10
3.2.11 on_hook - DAA On Hook .......................................................................................... 10
3.2.12 d_reset - DTMF Transceiver Reset .......................................................................... 10