I65/I56I HARDWARE DESCRIPTION VERSION
1.00
23
BOOT
*
I
Set this pin to high level
for reprogramming the
flash of the TCP-chip (for
instance updating a new
firmware TCP/IP stack).
19
RESET
I
Reset - active Low
input
V
RESET
= 0 V
15
SOFT-ON
I
Input to switch the
module ON. The line
must be SET to HIGH for
≥
100 ms.
V
Openmin
= 2.5 V
V
Openmax
= VC5
ON
~~~
|
|
~~~
Active
HIGH
≥
100 ms
31
COL3
32
COL4
33
COL1
34
COL2
35
ROW4
36
COL0
37
ROW2
38
ROW3
39
ROW0
40
ROW1
42
SPI_EN
43
SPI_IO
44
SPI_CLK
-
NC
(Not Connected)
-
•
This pin is to be used if you have purchased the option with TCP/IP stack
(available upon request), else this pin has no function, so it has to be left open.
Table 7:
Description of the 50-pin connector (interface A)
5.3 Determining the External Equipment Type
Before you connect the provided serial interface on the I56/I56i board-to-board
connectors to external host application, you need to determine if its external
hardware serial ports are configured as DTE or DCE.
The terms DTE (Data Terminal Equipment) and DCE (Data Communications
Equipment) are typically used to describe serial ports on devices. Computers
(PCs) generally use DTE connectors and communication devices such as
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