Spark Logic

HX8347 TFT LCD controller pinout

The HX8347 drives 240 × 320 TFT panels. Newhaven’s revision 2 module uses a 16-bit 8080-style bus and exposes four resistive touch electrodes.

NHD-2.4-240320YF-CTXI#-T-1 · FPC-37

37 contacts Current package

Himax Technologies ·

NHD-2.4-240320YF-CTXI#-T-1 · FPC-37 pinout

NHD-2.4-240320YF-CTXI#-T-1 · FPC-37
Locate contact 1 in the module’s mechanical drawing and check the mating connector contact side.
Selected pin details

31 · /RESET

Input · Inputs

Active-low reset. Follow the controller power-on timing.

Newhaven Display NHD-2.4-240320YF-CTXI#-T-1, revision 2, §§ 1 and 3–6.

Electrical limits · Link to this pin

All 37 pins

PinSignalDirectionFunction
1DB0 BidirectionalBidirectional Parallel data bit 0.
2DB1 BidirectionalBidirectional Parallel data bit 1.
3DB2 BidirectionalBidirectional Parallel data bit 2.
4DB3 BidirectionalBidirectional Parallel data bit 3.
5GND Supply returnSupply return Connect to host ground.
6VCC Supply inputSupply input Module supply. Tie together all contacts labelled VCC.
7/CS InputInput Active-low chip select.
8RS InputInput Register selection. Low selects command or index.
9/WR InputInput Parallel write strobe.
10/RD InputInput Parallel read strobe.
11NC NoneNone Reserved contact. Leave open.
12XL Analog electrodeAnalog electrode Resistive touch panel electrode. Connect to a suitable four-wire touch interface.
13YT Analog electrodeAnalog electrode Resistive touch panel electrode. Connect to a suitable four-wire touch interface.
14XR Analog electrodeAnalog electrode Resistive touch panel electrode. Connect to a suitable four-wire touch interface.
15YB Analog electrodeAnalog electrode Resistive touch panel electrode. Connect to a suitable four-wire touch interface.
16LED-A Supply inputSupply input Common anode for the module backlight.
17LED-K1 LED cathodeLED cathode Use a separate current-limited return for this backlight branch.
18LED-K2 LED cathodeLED cathode Use a separate current-limited return for this backlight branch.
19LED-K3 LED cathodeLED cathode Use a separate current-limited return for this backlight branch.
20LED-K4 LED cathodeLED cathode Use a separate current-limited return for this backlight branch.
21NC NoneNone Reserved contact. Leave open.
22DB4 BidirectionalBidirectional Parallel data bit 4.
23DB8 BidirectionalBidirectional Parallel data bit 8.
24DB9 BidirectionalBidirectional Parallel data bit 9.
25DB10 BidirectionalBidirectional Parallel data bit 10.
26DB11 BidirectionalBidirectional Parallel data bit 11.
27DB12 BidirectionalBidirectional Parallel data bit 12.
28DB13 BidirectionalBidirectional Parallel data bit 13.
29DB14 BidirectionalBidirectional Parallel data bit 14.
30DB15 BidirectionalBidirectional Parallel data bit 15.
31/RESET InputInput Active-low reset. Follow the controller power-on timing.
32VCC Supply inputSupply input Module supply. Tie together all contacts labelled VCC.
33VCC Supply inputSupply input Module supply. Tie together all contacts labelled VCC.
34GND Supply returnSupply return Connect to host ground.
35DB5 BidirectionalBidirectional Parallel data bit 5.
36DB6 BidirectionalBidirectional Parallel data bit 6.
37DB7 BidirectionalBidirectional Parallel data bit 7.

Signal assignments

Electrical limits

ParameterLimitConditions and source
Logic and driver suppliesUse 2.8 V for this fixtureUse 2.8 V for this fixture The module guide refers to the HX8347 limits. Use host or translator levels matched to the module rail. Newhaven Display NHD-2.4-240320YF-CTXI#-T-1, revision 2, §§ 1 and 3–6.
Panel pixels240 × 320240 × 320 Portrait orientation. Newhaven Display NHD-2.4-240320YF-CTXI#-T-1, revision 2, §§ 1 and 3–6.
Backlight4 × 18 mA typical4 × 18 mA typical Forward voltage is 3.2 V typical. Each cathode is available separately. Newhaven Display NHD-2.4-240320YF-CTXI#-T-1, revision 2, §§ 1 and 3–6.

Models and documents

This map applies to Newhaven NHD-2.4-240320YF-CTXI#-T-1 revision 2. The earlier revision used ILI9320 and requires its own initialization.

NHD-2.4-240320YF-CTXI#-T-1
Newhaven 2.4-inch TFT module with resistive touch, revision 2.