HX8357C TFT LCD controller connection guide
HX8357C TFT LCD controller TM035PDH03 · FPC-45 wiring guide with power, signal assignments, and bench checks.
TM035PDH03 · FPC-45
45 contacts Current packageConnect TM035PDH03 in 4-wire serial mode
RequiredSet IM2:IM0 to 111 before reset. Connect the 3.3 V host and panel supplies to the same regulated rail and ground the unused parallel and RGB inputs.
- +3.3 V
- Ground
- Chip select
- /CS (37)
- Host CS
- Reset
- /RESET (33)
- Host reset
- Clock
- /WR/SCL (35)
- Host SCK
- Serial host data
- SDI (13)
- Host MOSI
- Serial return
- SDO (14)
- Host MISO input
- Command / data
- RS (36)
- Host D/C
- Backlight anode
- LEDA (44)
- Backlight supply output
- Backlight branch 1
- LEDK1 (43)
- Constant-current sink 1 · 20 mA typical
- Backlight branch 2
- LEDK2 (42)
- Constant-current sink 2 · 20 mA typical
- Backlight branch 3
- LEDK3 (41)
- Constant-current sink 3 · 20 mA typical
- Backlight branch 4
- LEDK4 (40)
- Constant-current sink 4 · 20 mA typical
- Backlight branch 5
- LEDK5 (39)
- Constant-current sink 5 · 20 mA typical
- Backlight branch 6
- LEDK6 (38)
- Constant-current sink 6 · 20 mA typical
Bench checks
- Check the flex orientation, both panel supply voltages, and independent backlight current before sending commands.
- Observe the active-low reset and compare the first SPI transaction with the module timing diagram. Use the Tianma panel initialization and verify a full-width color test.
Tianma TM035PDH03 V1.0, §§ 2, 4 and 5. Manufacturer PDF hosted by Datasheet4U. The Tianma document describes HX8357C operation as integrated in this module.
TM035PDH03 · FPC-45 wiring map
TM035PDH03 · FPC-45
9 · IM1
Host interface strap. Tie high for DBI Type C Option 3.
Models and documents
This map applies to the Tianma TM035PDH03 and its 0.3 mm pitch FPC. The module datasheet specifies the controller interface timing and strap settings.
- TM035PDH03
- Tianma 3.5-inch TFT module.
- Tianma TM035PDH03 manufacturer documentation· Tianma TM035PDH03 V1.0, §§ 2, 4 and 5. Manufacturer PDF hosted by Datasheet4U.
