Back to browse
CP2102N-Axx-xQFN28
USB to UART master bridge, QFN-28
Schematic Symbol
Pin Configuration (29 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | ~{DCD} | input |
| 2 | ~{RI}/CLK | bidirectional |
| 3 | GND | power_in |
| 4 | D+ | bidirectional |
| 5 | D- | bidirectional |
| 6 | VDD | power_in |
| 7 | VREGIN | power_in |
| 8 | VBUS | input |
| 9 | ~{RST} | input |
| 10 | NC | no_connect |
| 11 | ~{SUSPEND} | output |
| 12 | SUSPEND | output |
| 13 | CHREN | output |
| 14 | CHR1 | output |
| 15 | CHR0 | output |
| 16 | ~{WAKEUP}/GPIO.3 | bidirectional |
| 17 | RS485/GPIO.2 | bidirectional |
| 18 | ~{RXT}/GPIO.1 | bidirectional |
| 19 | ~{TXT}/GPIO.0 | bidirectional |
| 20 | GPIO.6 | bidirectional |
| 21 | GPIO.5 | bidirectional |
| 22 | GPIO.4 | bidirectional |
| 23 | ~{CTS} | input |
| 24 | ~{RTS} | output |
| 25 | RXD | input |
| 26 | TXD | output |
| 27 | ~{DSR} | input |
| 28 | ~{DTR} | output |
| 29 | GND | passive |
Footprint
ConfirmedPackage_DFN_QFN/QFN-28-1EP_5x5mm_P0.5mm_EP3.35x3.35mm
Pad Layout
—
—
—
—
—
—
—
—
—
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
Pads (38)
| Number | Type |
|---|---|
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| 1 | smd |
| 2 | smd |
| 3 | smd |
| 4 | smd |
| 5 | smd |
| 6 | smd |
| 7 | smd |
| 8 | smd |
| 9 | smd |
| 10 | smd |
| 11 | smd |
| 12 | smd |
| 13 | smd |
| 14 | smd |
| 15 | smd |
| 16 | smd |
| 17 | smd |
| 18 | smd |
| 19 | smd |
| 20 | smd |
| 21 | smd |
| 22 | smd |
| 23 | smd |
| 24 | smd |
| 25 | smd |
| 26 | smd |
| 27 | smd |
| 28 | smd |
| 29 | smd |