Spark Logic

HX8357C TFT LCD controller pinout

The HX8357C drives a 320 × 480 TFT. The Tianma TM035PDH03 brings mode straps, MCU and RGB signals, and the backlight out on a 45-contact flex cable.

TM035PDH03 · FPC-45

45 contacts Current package

Himax Technologies ·

TM035PDH03 · FPC-45 pinout

TM035PDH03 · FPC-45
Locate contact 1 in the module’s mechanical drawing and check the mating connector contact side.
Selected pin details

10 · IM2

Input · Inputs

Host interface strap. Tie high for DBI Type C Option 3.

Tianma TM035PDH03 V1.0, §§ 2, 4 and 5. Manufacturer PDF hosted by Datasheet4U.

Electrical limits · Link to this pin

All 45 pins

PinSignalDirectionFunction
1FLM OutputOutput Frame marker output. Leave open when unused.
2GND Supply returnSupply return Connect to host ground.
3ENABLE InputInput RGB data enable. Ground when unused.
4DOTCLK InputInput RGB pixel clock. Ground when unused.
5VSYNC InputInput RGB frame sync. Ground when unused.
6GND Supply returnSupply return Connect to host ground.
7HSYNC InputInput RGB line sync. Ground when unused.
8IM0 InputInput Host interface strap. Tie high for DBI Type C Option 3.
9IM1 InputInput Host interface strap. Tie high for DBI Type C Option 3.
10IM2 InputInput Host interface strap. Tie high for DBI Type C Option 3.
11IOVCC Supply inputSupply input Digital interface supply.
12VCC Supply inputSupply input Analog panel supply.
13SDI BidirectionalBidirectional Serial host data. The data direction depends on the selected serial mode.
14SDO OutputOutput Serial data output. Connect only to a host input when using this line.
15DB17 BidirectionalBidirectional Parallel data bit 17.
16DB16 BidirectionalBidirectional Parallel data bit 16.
17DB15 BidirectionalBidirectional Parallel data bit 15.
18DB14 BidirectionalBidirectional Parallel data bit 14.
19DB13 BidirectionalBidirectional Parallel data bit 13.
20DB12 BidirectionalBidirectional Parallel data bit 12.
21DB11 BidirectionalBidirectional Parallel data bit 11.
22DB10 BidirectionalBidirectional Parallel data bit 10.
23DB9 BidirectionalBidirectional Parallel data bit 9.
24DB8 BidirectionalBidirectional Parallel data bit 8.
25DB7 BidirectionalBidirectional Parallel data bit 7.
26DB6 BidirectionalBidirectional Parallel data bit 6.
27DB5 BidirectionalBidirectional Parallel data bit 5.
28DB4 BidirectionalBidirectional Parallel data bit 4.
29DB3 BidirectionalBidirectional Parallel data bit 3.
30DB2 BidirectionalBidirectional Parallel data bit 2.
31DB1 BidirectionalBidirectional Parallel data bit 1.
32DB0 BidirectionalBidirectional Parallel data bit 0.
33/RESET InputInput Active-low hardware reset.
34RD InputInput Parallel read strobe. Tie to IOVCC when unused.
35/WR/SCL InputInput Parallel write strobe or serial clock.
36RS InputInput Data and command selection.
37/CS InputInput Active-low panel select.
38LEDK6 LED cathodeLED cathode Use a separate current-limited return for this backlight branch.
39LEDK5 LED cathodeLED cathode Use a separate current-limited return for this backlight branch.
40LEDK4 LED cathodeLED cathode Use a separate current-limited return for this backlight branch.
41LEDK3 LED cathodeLED cathode Use a separate current-limited return for this backlight branch.
42LEDK2 LED cathodeLED cathode Use a separate current-limited return for this backlight branch.
43LEDK1 LED cathodeLED cathode Use a separate current-limited return for this backlight branch.
44LEDA Supply inputSupply input Common anode for the module backlight.
45LCM_ID OutputOutput Module identification output listed as 1.8 V.

Signal assignments

Electrical limits

ParameterLimitConditions and source
Analog VCC2.5–3.3 V2.5–3.3 V 2.8 V typical. Tianma TM035PDH03 V1.0, §§ 2, 4 and 5. Manufacturer PDF hosted by Datasheet4U.
Logic IOVCC1.65–3.3 V1.65–3.3 V 2.8 V typical. The example uses 3.3 V logic and power. Tianma TM035PDH03 V1.0, §§ 2, 4 and 5. Manufacturer PDF hosted by Datasheet4U.
Backlight6 × 20 mA typical6 × 20 mA typical 3.2 V typical per LED branch. Drive through independent current sinks. Tianma TM035PDH03 V1.0, §§ 2, 4 and 5. Manufacturer PDF hosted by Datasheet4U.

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.