mcs7780 MosChip, mcs7780 Datasheet - Page 4

• Manufacturer Part Number: mcs7780
• Description: Usb 1.1 To Irda Port
• Manufacturer: MosChip

Page 4
MCS7780
USB 1.1 to IrDA Port
Pin Descriptions
TXDIODEG
SD/MODE
Pin Name
TXDIODE
RXSLOW
RXFAST
nRESET
XTAL1
XTAL2
DGND
AGND
3.3VA
3.3V
DM
DP
TX
9, 24
Pin
12
17
23
25
26
18
10
11
1
2
5
6
7
8
Type
PWR
PWR
PWR
PWR
PWR
I/O
I/O
O
O
O
O
I
I
I
I
USB Interface differential Data Negative
USB Transceiver Power Supply Ground
USB Interface differential Data Positive
Optional Transmit LED Driver Output
Receive Data from IR module (Slow)
Receive Data from IR module (Fast)
Transmit Data output to IR module
Optional LED Driver Output GND
USB Transceiver Power Supply
12 MHz Crystal/Clock Output
Digital Power Supply Ground
12 MHz Crystal/Clock Input
Mode Control to IR module
Master Reset, (active low)
Digital Power Supply
Description
Rev. 1.2