Ctp Interface; Sd Interface - SimCom SIMT 1502 Manual

SHANGHAI SIMCOM LIMITED

4.7 CTP interface

SIMT1502 contains one CTP interface, the panel is controlled by I2C bus.
See Table4-7 and Figure4-5 for more details.
Table4-7 CTP interface description
Signal Pin#
TS_INT_N
TS_I2C_SDA
TS_I2C_SCL
TS_RST_N
Figure4-5 CTP application diagram

4.8 SD interface

SIMT1502 contains a SD interface, the clock output up to 200MHz,need support 1.8/2.95V
dual-voltage. If SD connector have detect pin, the hot plug function can be done.
See Table4-8 and Figure4-6 for more details.
Table4-8 SD interface description
Signal Pin#
SD_CARD_DET__N 37
SDC2_CMD 54
SDC2_DATA_0 55
SDC2_DATA_1 56
SDC2_DATA_2 57
SDC2_DATA_3 58
SDC2_CLK 59
Description
33 Touchscreen interrupt
34 Touchscreen I2C,SDA
35 Touchscreen I2C,SCL
36 Touchscreen reset
Description
Secure digital card detection
Secure digital controller 2 command
Secure digital controller 2 data bit 0
Secure digital controller 2 data bit 1
Secure digital controller 2 data bit 2
Secure digital controller 2 data bit 3
Secure digital controller 2 clock
Direction
AI/AO
DI
B
DO
DO
Direction
AI/AO
DI
AI,AO
AI,AO
AI,AO
AI,AO
AI,AO
AI,AO
25