Design-In - Electrical Aspects
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COMX Communication Modules | Design Guide
DOC100901DG18EN | Revision 18 | English | 2013-12 | Released | Public
© Hilscher, 2002-2013
3.1.3
COMX Pinning of the System Bus Connector X1 – Parallel Mode
X1
Pin Signal
COMX
10
PAD
Type
COMX
50
PAD
Type
COMX
51
PAD
Type
COMX
100
PAD Type
Symbol
Type
1
Word Interface,
active low
IOU6 IOU9 IOD9 IO18C DPM_SIRQn
LVTTL
Input
2
Bus high enable,
active low
IOU6 IOU9 IOU9 IO18C DPM_BHEn
LVTTL
Input
3
Data line 15
IOD6
IOU9
IOU9
IO18C
DPM_D15
LVTTL Input / Out-
put
4
Data line 14
IOD6
IOU9
IOU9
IO18C
DPM_D14
LVTTL Input / Out-
put
5
Data line 13
IOD6
IOU9
IOU9
IO18C
DPM_D13
LVTTL Input / Out-
put
6
Data line 12
IOD6
IOU9
IOU9
IO18C
DPM_D12
LVTTL Input / Out-
put
7
Data line 11
IOD6
IOU9
IOU9
IO18C
DPM_D11
LVTTL Input / Out-
put
8
Data line 10
IOD6
IOU9
IOU9
IO18C
DPM_D10
LVTTL Input / Out-
put
9
Data line 9
IOD6
IOU9
IOU9
IO18C
DPM_D9
LVTTL Input / Out-
put
10 Data line 8
IOD6
IOU9
IOU9
IO18C
DPM_D8
LVTTL Input / Out-
put
11 Ground
GND
12 Power
Supply
+3V3
13 Transmit Data,
Serial line
IOUS6 IODS6
IOD6
UART1_TXD LVTTL
Output
14 Receive Data, Serial
line
IOUS6 IODS6
IOD6
UART1_RXD LVTTL
Input
15 Request to Send,
Serial line & SYNC0
IOUS6 IODS6 IODS6 IOD6
UART1_RTSn/
SYNC0
LVTTL Output /
SYNC Input / Out-
put Signal
XC3_IO0 (Note 1,
2)
16 Clear to Send,
Serial line & SYNC1
IOUS6 IODS6 IODS6 IOD6
UART1_CTSn/
SYNC1
LVTTL Input /
SYNC Input / Out-
put Signal
XC3_IO1 (Note 1,
2)
17 USB positive,
Diagnostic line
USB USB USB USB USB+
USB
18 USB negative,
Diagnostic line
USB USB USB USB USB-
USB
19 Receive Data,
Diagnostic line
IOUS6 IODS6 IODS6 IOD6
UART0_RXD LVTTL
Input
20 Transmit Data,
Diagnostic line
IOUS6 IODS6 IODS6 IOD6
UART0_TXD LVTTL
Output
21 Reset, active low
IUS
IUS
IO18C
DPM_RESETn
LVTTL Input;
10 k
Ω
pull up at
COMX
22 Busy, active low
IOU6
IOU9
IOU9
IO18C
DPM_BUSYn LVTTL Output
23 During operation:
Interrupt, active low
COMX 10 at start-up:
Host mode selection
IOU6 IOU9 IOU9 IO18C DPM_DIRQn
During
operation:
LVTTL Output
At start-up:
LVTTL Input
Table 20: COMX Pinning of the System Bus Connector X1- Parallel DPM Mode (Part 1)