NXP Semiconductors
MCU-SMHMI-HDUG
Smart HMI Hardware Development User Guide
GC2145 pin name
Board signal
i.MX RT117H pin name (number)
MDN1
MIPI_CSI_DN1
MIPI_CSI_DN1 (A13)
SBCL
CON_I2C6_SCL
GPIO_LPSR_07 (R8)
SBDA
CON_I2C6_SDA
GPIO_LPSR_06 (P8)
CSI_MCLK
GPIO_AD_13 (L12) (for
clock from CSI_MCLK)
MCLK
24MHZ_STANDBY
GPIO_SNVS_07 (R9) (for clock from crystal)
Table 10. GC2145 – i.MX RT117H signal mapping
...continued
2.3.2 IR camera (FlexIO)
The SLN-TLHMI-IOT board supports an IR camera module for supplying IR images for
2D face recognition. The camera module has a GalaxyCore GC0308 VGA sensor, which
provides a full-scale integration of high performance and low power with 640V x 480H
resolution, 1/6.5-inch optical format, and on-chip ISP features.
Data is transmitted from the parallel CSI interface to the FlexIO interface of the i.MX
RT117H MCU. The FlexIO interface emulates the running timing of the parallel CSI
interface to receive IR images. The i.MX RT117H MCU configures and controls the
GC0308 IR camera via its I2C5 interface, along with two GPIOs that are used for power-
down and reset.
The GC0308 IR camera is installed on the board through a 24-pin FPC connector (Molex
505110-2491). The figure below shows the circuit diagram of the IR camera connector.
VDD_3V3
IR_CAM_VDD_3V3
VDD_1V8
GND
GND
GND
GND
GND
GND
FLEXIO_PWDN
I2C5_SCL
I2C5_SDA
FLEXIO2_FLEXIO00
FLEXIO_RESET
FLEXIO2_FLEXIO24
FLEXIO2_FLEXIO25
FLEXIO2_FLEXIO26
FLEXIO2_FLEXIO27
FLEXIO2_FLEXIO28
FLEXIO2_FLEXIO29
FLEXIO2_FLEXIO30
FLEXIO2_FLEXIO31
FLEXIO2_FLEXIO01
FLEXIO2_FLEXIO02
FLEXIO_VSYNC
C8
0.1UF
10V
C9
0.1UF
10V
R326
10K
C6
4.7uF
6.3V
L1
120 Ohm
L2
120 Ohm
J2
CON_1X24_FPC
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
C7
0.1UF
10V
Figure 8. GC0308 IR camera connector
The table below shows signal mapping between the IR camera sensor GC0308 and i.MX
RT117H MCU on the SLN-TLHMI-IOT board.
GC0308 pin names
Board signals
i.MX RT117H pin names (numbers)
RESETB
FLEXIO_RESET
GPIO_EMC_B2_15 (L2)
PWDN
FLEXIO_PWDN
GPIO_SD_B2_04 (F14)
HSYNC
FLEXIO2_FLEXIO02
GPIO_AD_02 (R13)
VSYNC
FLEXIO_VSYNC
GPIO_AD_32 (K16)
Table 11. GC0308 – i.MX RT117H signal mapping
MCU-SMHMI-HDUG
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User guide
Rev. 0 — 4 November 2022
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