CH344Q

Interface_USB

USB to Quad Serial Ports Chip, LQFP-48

Symbol

48 pins
Schematic symbol for CH344Q
Units
1
Kind
part
Grid
on 1.27 mm

Footprint

48 pads
Footprint for CH344Q
Library
Package_QFP
Mount
smd
Courtyard
10.3 × 10.3 mm
Link
exact

3D model

STEP

Package_QFP_LQFP-48_7x7mm_P0.5mm

9 × 9 × 1.50 mm

617 KB STEP

Library
Package_QFP_LQFP-48_7x7mm
Link
exact

Pins and pads

Every pin on the symbol has a pad on the footprint.

PinNameTypePad
1NCno_connect1
2~{DSR2}input2
3~{RI2}input3
4~{DCD2}input4
5XIinput5
6XOoutput6
7~{RESET}input7
8GNDpower_in8
9VCCpower_in9
10~{CTS1}/GPIO2bidirectional10
11~{RTS1}/GPIO3bidirectional11
12TXD1output12
13RXD1input13
14~{ACT}/~{CFG}/~{DCD3}bidirectional14
15TX_S/~{RI3}bidirectional15
16RX_S/~{DSR3}bidirectional16
17~{DSR1}input17
18~{DTR1}/TNOW1/GPIO9bidirectional18
19~{DTR2}/TNOW2/GPIO9bidirectional19
20GNDpassive20
21TXD2output21
22RXD2input22
23GNDpassive23
24VCCpower_in24
25~{RI1}input25
26~{CTS2}/GPIO4bidirectional26
27~{RTS2}/GPIO5bidirectional27
28~{DCD1}/GPIO15bidirectional28
29~{DSR0}/GPIO14input29
30TXD0output30
31RXD0input31
32~{RI0}/GPIO13bidirectional32
33~{DCD0}/GPIO12bidirectional33
34~{DTR3}/TNOW3/GPIO11bidirectional34
35GNDpassive35
36VCCpower_in36
37TXD3output37
38RXD3input38
39~{DTR0}/TNOW0/GPIO8bidirectional39
40~{RTS0}/GPIO1bidirectional40
41~{CTS0}/GPIO0bidirectional41
42UD-bidirectional42
43UD+bidirectional43
44TESTinput44
45~{RTS3}/GPIO7bidirectional45
46~{CTS3}/GPIO6bidirectional46
47GNDpassive47
48VCCpower_in48

Provenance

Credit
KiCad Libraries Contributors
Licence
CC-BY-SA-4.0-with-KiCad-exception
Link method
exact
Cross-check
passed
CH344Q — Interface_USB | Trace Catalog