Developers Kit
Preliminary
12
4.2 Pin Definitions for Connector J1
The following pinout summary is achieved through a 40 pin mini connector J1 (Amp P/N 177986-1).
Pin
Serial
Parallel*
Definition
1
GND
GND
Ground
2
NC
NC
No Connect
3
VCC
VCC
5V + 5%
4
NC
NC
No Connect
5
VCC
VCC
5V + 5%
6
NC
NC
No Connect
7
NC
NC
No Connect
8
NC
NC
No Connect
9
NC
NC
No Connect
10
NC
NC
No Connect
11
NC
NC
No Connect
12
NC
NC
No Connect
13
NC
D7
No Connect/Data 7
14
TXD
NC
Transmit/No Connect
15
NC
D6
Data 6
16
RXD
NC
Receive/No Connect
17
NC
D5
Data 5
18
NC
NC
No Connect
19
NC
D4
Data 4
20
GND
GND
Ground
21
GND
GND
Ground
22
NC
D3
No Connect/Data 3
23
CTS
DIR1
Clear To Send/Bidir Handshake 1
24
Reserved
Reserved
Reserved Processor
25
Reserved
Reserved
Reserved Crystal
26
BDSEL
STROBE’
Baud Select/Strobe Not
27
PKTMODE
DIR2
Force API Mode 03/Bidir Handshake 2
28
NC
BUSY
No Connect /BUSY
29
NC
NC
No Connect
30
NC
NC
No Connect
31
NC
NC
No Connect
32
NC
D0
No Connect/Data 0
33
NC
NC
No Connect
34
NC
D1
No Connect/Data 1
35
NC
NC
No Connect
36
DCD
D2
Data Carrier Detect/Data 2
37
E2WP
E2WP
EEPROM Write Protect
38
uP_RESET
uP_RESET
Microprocessor Reset
39
VCC
VCC
5V + 5%
40
GND
GND
Ground
Note: The AeroComm radio provides 5Volt logic levels at the interface connector, J1
Note: DCD is not utilized.
Note: * Parallel interface not implemented at this time.