
Technical Specifications
AIM2505A Technical Manual V2.03
42
b3
ACFAIL~
Input
b4
BG0INOUT~
Input
b5
BG0INOUT~
Output
b6
ADRIN(0)
Input
b7
ADROUT(0)
Output
b8
ADRIN(1)
Input
b9
ADROUT(1)
Output
b10
ADRIN(2)
Input
b11
ADROUT(2)
Output
b20
GND
Ground
b21
RS485H
Bidirectional
b22
RS485L
Bidirectional
b23
GND
Ground
b31
5VSTDBY
Supply
b32
5VDC
Supply
c9
GND
Ground
c10
SYSFAIL~
Input
c12
SYSRESET~
Input
c32
5VDC
Supply
8.2.3 X4, DLOAD CONNECTOR
Connector provides download interface to the module. Connector is 16 pin dual-row
pin header. Only the pins associated with a signal are described in the table below.
Table 8.4
DLOAD Connector (X4), Pin header (16 pin dual row)
Pin
number
Signal name
Direction to
this board
Signal description
1
RXD
Input
RS232 Receive data, TTL levels
9
CDEN~
Input
ADuC 7026 RESET
11
MODE
Input
ADuC 7026 Programming mode
13
TXD
Output
RS 232 Transmit data, TTL levels
2
GND
Ground
Ground
12
VCC
Supply
+5VDC
14
GND
Ground
Ground
The DLOAD interface should be used with original EKE USBFloader
with an FAC1027A adapter.