Realan LR-J1900T, Manual

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2.6 J H D definition: HDMI
Board provide 1*2x8pinHDMIport (Pitch2.0mm), definition as follow
JHD
2.7 Parallel port :J_LPT definition
Board provide 2*13Pinprint port (Pitch
：
2.00mm)
，
definition as follow
J_LPT
2X13_2_2
2.8 Programmable input / output port
（
GPIO
）
Board provide 2*5pinGPIO port(Pitch2.0mm),definition as follow
：
GPIO
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
11
12
13 14
15 16
17 18
19 20
21 22
23 24
25
1
2
3
4
5
6
7
8
9
10
11 12
13
14
16
15
Pin Signal Name Pin Signal Name
1 HDMI_TXD2_P 2 HDMI_DDC_CLK_R
3 HDMI_TXD2_N 4 HDMI_DDC_DATA_R
5 HDMI_TXD1_P 6 NC
7 HDMI_TXD1_N 8 HPD_CONN
9 HDMI_TXD0_P 10 +5V_HDMI
11 HDMI_TXD0_N 12 GND
13 HDMI_TXC0P 14 GND
15 HDMI_TXC0N 16 GND
Pin Signal Name Pin Signal Name
1 STB 2 AFD
3 PD0 4 LPT_ERR
5 PD1 6 INIT
7 PD2 8 SLIN
9 PD3 10 GND
11 PD4 12 GND
13 PD5 14 GND
15 PD6 16 GND
17 PD7 18 GND
19 LPT_ACK 20 GND
21 LPT_BUSY 22 GND
23 LPT_PE 24 GND
25 LPT_SLCT 26 none
Pin
Signal Name
Pin
Signal Name
1 GPI_0 2 3.3V
3 GPI_1 4 GPO_6
5 GPI_2 6 GPO_7
7 GPI_3 8 GPO_8
9 GND 10 +GPO_9
2.9 Audio port
2.9.1 Speaker:SPKERS1
Board provide 1*4Pin SpeakerPort
，
definition as follow
：
Pin
Signal
1
2 AM
3 AMP_OUT_R-
4 AM
4
3
2
1
2.9.2
：
FP_AUDIO
Board provide 1* front panel audio port 2*5Pin(Pitch
：
2.54MM),definition as follow:
Pin Signal Name Pin
Signal Name
1 FP_MIC_L 2 GND
3 FP_MIC_R 4 ACZ_DET#_R
5 FP_OUT_R 6 MIC_JD
7 GND
9 FP_OUT_L 10 Lin_JD
F P _AUDIO 1
1
3
5
7
9
2
4
6
10
AMP_OUT_L -