SimCom SIM8905A User Manual page 16

MIPI_DSI_LANE2M
MIPI_DSI_LANE2P
MIPI_DSI_LANE3M
MIPI_DSI_LANE3P
If only 2-lane MIPI_DSI is needed, just leave LANE2 and LANE3 floating.
Module
LDO17_2V85
MIPI_DSI_LANE1_M
MIPI_DSI_LANE1_P
MIPI_DSI_CLK_M
MIPI_DSI_CLK_P
MIPI_DSI_LANE0_M
MIPI_DSI_LANE0_P
Touch Screen Interface
Table 6: Touch screen interface pin definitions
Pin Name
TP_I2C_SDA
TP_I2C_SCL
TP_INT_N
TP_RST_N
Note:
1. TP_I2C: supports master-only mode; 2.2Kohm pull-up resistors are needed externally;
58
59
60
61
VBAT
PWM
1M
LDO6_1V8
LCD_RST_N
LCD_TE
Figure 18: Display reference circuit
Pin# Type
48
47
30
31
O
O
O
O
LED+
WLED
driver
LED-
1uF 1uF
I/O Touch screen I2C data
O Touch screen I2C clock
I Touch screen interrupt
O Touch screen reset
16
Smart Machine Smart Decision
LCM
1 GND
2 LED+
3 LED+
4 LED-
5 LED-
6 LCD_ID
7 VCC(2.8V)
8 GND
9 GND
10 VCC_IO
11 RESET
12 TE
13 NC
14 NC
15 GND
16 DSI_D1-
17 DSI_D1+
18 GND
19 DSI_CLK-
20 DSI_CLK+
21 GND
22 DSI_D0-
23 DSI_D0+
24 GND
25 GND
Description