Datasheet
TSC2101
SLAS392D− JUNE 2003 − REVISED MAY 2005
www.ti.com
46
BIT 15
MSB
BIT 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 0
LSB
R/W* PG3 PG2 PG1 PG0 ADDR5 ADDR4 ADDR3 ADDR2 ADDR1 ADDR0 0 0 0 0 0
Figure 36. TSC2101 Command Word
COMMAND WORD
DATA
DATA
SS
SCLK
MOSI
Figure 37. Register Write Operation
COMMAND WORD
SS
SCLK
MOSI
DATA
DATA
MOSO
Figure 38. Register Read Operation
TSC2101 Memory Map
The TSC2101 has several 16-bit registers which allow control of the device as well as providing a location for
results from the TSC2101 to be stored until read by the host microprocessor. These registers are separated
into four pages of memory in the TSC2101: a data page (page 0), control pages (page 1 and page 2) and a buffer
data page (page 3). The memory map is shown in Table 6.
Table 6. Memory Map
PAGE 0: TOUCH
SCREEN DATA
REGISTER
PAGE 1: TOUCH SCREEN
CONTROL REGISTERS
PAGE 2: AUDIO CONTROL REGISTERS
PAGE 3: BUFFER
DATA REGISTERS
ADDR REGISTER ADDR REGISTER ADDR REGISTER ADDR REGISTER
00 X 00 TSC ADC 00 Audio Control 1 00 Buffer Location
01 Y 01 Status 01 Headset PGA Control 01 Buffer Location
02 Z1 02 Buffer Mode 02 DAC PGA Control 02 Buffer Location
03 Z2 03 Reference 03 Mixer PGA Control 03 Buffer Location
04 Reserved 04 Reset Control Register 04 Audio Control 2 04 Buffer Location
05 BAT 05 Configuration 05 Power Down Control 05 Buffer Location
06 Reserved 06 Temperature Max 06 Audio Control 3 06 Buffer Location
07 AUX1 07 Temperature Min 07 Digital Audio Effects Filter Coefficients 07 Buffer Location
08 AUX2 08 AUX1 Max 08 Digital Audio Effects Filter Coefficients 08 Buffer Location
09 TEMP1 09 AUX1 Min 09 Digital Audio Effects Filter Coefficients 09 Buffer Location
0A TEMP2 0A AUX2 Max 0A Digital Audio Effects Filter Coefficients 0A Buffer Location
0B Reserved 0B AUX2 Min 0B Digital Audio Effects Filter Coefficients 0B Buffer Location