MA104 Datasheet, PDF (11/32 Pages) Megawin Technology Co., Ltd – USB 2.0 low speed device.

MA104 Datasheet
Version 1.02
5.2 Pin Description
Pad Name
Table 5-1 Pin Description
Type Description
1
RESB
I Reset pin, low action, have internal weak pull high resistor.
2
VSS
G Ground for others
3
VR0
P Built-in 5V to 3.3V regulator capacitor pin. (Capacitor 1uF needed)
4
DM
B USB DM I/O, USB LS transceiver.
5
DP
B USB DP I/O, USB LS transceiver.
6
VDD
P 5V Power
7 UART_TX O UART TX function with baud rate 19200.
8 UART_RX
I UART RX function with baud rate 19200.
9
N.C.
O Reserve and output low.
10 ICP_SDA
O Reserve and output low, combine with writer interface and DFU pin option.
11 ICP_SCL
O Reserve and output low, combine with writer interface.
12
N.C.
O Reserve and output low.
13
N.C.
O Reserve and output low.
14
N.C.
O Reserve and output low.
15
M0
I Pin option for USB Low-Power and High-Power.
16 USBOK
O Indicate MA104 is ready to receive UART RX data. Low active.
Note: In the “Type” field,
“I” means input only.
“O” means output only.
“B” means bi-direction.
“P” means Power, G means Ground.
This document information is the intellectual property of Megawin Technology.
© Megawin Technology Co., Ltd. 2011 All right reserved.
QP-7300-03D
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