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USB-EK01 Users Manual (Rev 1.0)
- 49 -
B. Connector (JP1 and JP7) PIN map
<JP1>
PIN#
Name
Description
1
NC
No Connection
2
NC
No Connection
3
GND
Signal Ground
4
GND
Signal Ground
5
SM0
Serial ROM select 0
6
SM1
Serial ROM select 1 (short to ground for 24LC64)
7
PA7
8051 General Purpose PortA 7
8
PA6
8051 General Purpose PortA 6
9
PA5
8051 General Purpose PortA 5
10
PA4
8051 General Purpose PortA 4
11
PA3
8051 General Purpose PortA 3
12
PA2
8051 General Purpose PortA 2
13
PA1
8051 General Purpose PortA 1
14
PA0
8051 General Purpose PortA 0
15
GND
Signal Ground
16
WAKEUP#
Wakeup input from CPU suspend
17
SCL
I2C signal clock
18
SDA
I2C signal data
19
BKPT
Break Point Output
20
3.3V
3.3V Power Supply
21
D6
Data bus 6
22
D7
Data bus 7
23
D4
Data bus 4
24
D5
Data bus 5
25
PB6
8051 General Purpose PortB 6
26
PB7
8051 General Purpose PortB 7
27
PB4
8051 General Purpose PortB 4
28
PB5
8051 General Purpose PortB 5
29
D2
Data bus 2
30
D3
Data bus 3
31
D0
Data bus 0
32
D1
Data bus 1
33
GND
Signal Ground