BDM-610000084 Rev B
Appendix C: IDAN™ Dimensions and Pinout 87
External I/O Connections
Table 58 COM1/COM2 (Single Port Mode)— 9-Pin D Connector (male)
CPU Pin
IDAN Pin
(DB-9)
Single
RS-232
Single
RS-422
Single
RS-485
1
1
DCD
TXD–
D–
2
6
DSR
—
—
3
2
RXD
TXD+
D+
4
7
RTS
—
—
5
3
TXD
RXD+
—
6
8
CTS
—
—
7
4
DTR
RXD–
—
8
9
RI
—
—
9
5
GND
GND
GND
Table 59 COM1/COM2 (Dual Port Mode)— 9-Pin D Connector (male)
CPU Pin
IDAN Pin
(DB-9)
Dual
RS-232
Dual
RS-422
Dual
RS-485
1
1
DCD1
TXD1-
D1-
3
2
RXD1
TXD1+
D1+
5
3
TXD1
RXD1+
—
7
4
RTS1
RXD1-
—
9
5
GND
GND
GND
2
6
CTS1
TXD2-
D2-
4
7
TXD2
TXD2+
D2+
6
8
RXD2
RXD2+
—
8
9
RI1
RXD2-
—
Table 60 aDIO — 25-Pin D Connector (female)
IDAN Pin #
aDIO Port
CPU Pin #
(CN6)
CPU Pin #
(CN5)
1
P0-0
1
—
2
P0-2
3
—
3
P0-4
5
—
4
P0-6
7
—
5
Strobe 0
9
—
6
P1-0
11
—
7
P1-2
13
—
8
GND
15
—
Summary of Contents for CML24BT cpuModules
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