Eddy DK Programmer Guide
70
2.7.3
J2 : USB Host
J2 is connected to USB HUB ControllerEddy-S4M in Eddy-S4M. Bellow is its PIN spec
2.7.4
RESET switch
Pin
Definition
Description
I/O
PC16
nRESET
Polling Input signal continually from External Reset
key, implement as below with checking the constant
time of "Low."
Less than 5 seconds: General reset function.
More than 5 second: Factory Default function.
IN
2.7.5
J4, 5 : Expansion Header
Provide most function of eddy-S4M with pin connector.
You can confirm the function with direct conjunction to Eddy-S4M-DK
.
J4
J5
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
1
DTxD
2
DRxD
1
2
3
TxD0#
4
RxD0#
3
LAN_RX-
4
LAN_TX-
5
RTS0
6
CTS0
5
LAN_Speed
6
LAN_LINK
7
DTR0
8
DSR0
7
PA5
8
PA22
9
DCD0
10
RI0
9
PA30
10
NC
11
TxD1#
12
RxD1#
11
PB0
12
PB1
13
RTS1
14
CTS1
13
PB2
14
PB3
15
3.3V
16
3.3V
15
5V
16
5V
Содержание Eddy DK
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