TSC2101-Audio Codec w/ Integrated Headphone Speaker Amp ...

SLAS392C− JUNE 2003 − REVISED SEPTEMBER 2004www.ti.comBIT 15MSBBIT 14 BIT 13 BIT 12 BIT 11 BIT 10 BIT 9 BIT 8 BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0LSBR/W* PG3 PG2 PG1 PG0 ADDR5 ADDR4 ADDR3 ADDR2 ADDR1 ADDR0 0 0 0 0 0Figure 36. TSC2101 Command WordSSSCLKMOSICOMMAND WORD DATA DATAFigure 37. Register Write OperationSSSCLKMOSICOMMAND WORDMOSODATADATAFigure 38. Register Read OperationTSC2101 Memory MapThe TSC2101 has several 16-bit registers which allow control of the device as well as providing a location forresults from the TSC2101 to be stored until read by the host microprocessor. These registers are separatedinto four pages of memory in the TSC2101: a data page (page 0), control pages (page 1 and page 2) and a bufferdata page (page 3). The memory map is shown in Table 6.46PAGE 0: TOUCHSCREEN DATAREGISTERPAGE 1: TOUCH SCREENCONTROL REGISTERSTable 6. Memory MapPAGE 2: AUDIO CONTROL REGISTERSPAGE 3: BUFFERDATA REGISTERSADDR REGISTER ADDR REGISTER ADDR REGISTER ADDR REGISTER00 X 00 TSC ADC 00 Audio Control 1 00 Buffer Location01 Y 01 Status 01 Headset PGA Control 01 Buffer Location02 Z1 02 Buffer Mode 02 DAC PGA Control 02 Buffer Location03 Z2 03 Reference 03 Mixer PGA Control 03 Buffer Location04 Reserved 04 Reset Control Register 04 Audio Control 2 04 Buffer Location05 BAT 05 Configuration 05 Power Down Control 05 Buffer Location06 Reserved 06 Temperature Max 06 Audio Control 3 06 Buffer Location07 AUX1 07 Temperature Min 07 Digital Audio Effects Filter Coefficients 07 Buffer Location08 AUX2 08 AUX1 Max 08 Digital Audio Effects Filter Coefficients 08 Buffer Location09 TEMP1 09 AUX1 Min 09 Digital Audio Effects Filter Coefficients 09 Buffer Location0A TEMP2 0A AUX2 Max 0A Digital Audio Effects Filter Coefficients 0A Buffer Location0B Reserved 0B AUX2 Min 0B Digital Audio Effects Filter Coefficients 0B Buffer Location