CC-ACC-MMK-2443 Digi International, CC-ACC-MMK-2443 Datasheet - Page 67
CC-ACC-MMK-2443
Manufacturer Part Number
CC-ACC-MMK-2443
Description
MCU, MPU & DSP Development Tools CC9M 2443 Multimedia App Kit
Manufacturer
Digi International
Datasheet
1.CC-ACC-ADD-2443.pdf
(135 pages)
Specifications of CC-ACC-MMK-2443
Processor To Be Evaluated
S3C2443
Data Bus Width
32 bit
Interface Type
UART
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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User pushbuttons,
S3 and S5
Legend for multi-
pin switches
Module
configuration
switches, S4
Serial port B MEI
configuration
switches
Use the user pushbuttons to interact with the applications running on the module.
Use these module signals to implement the pushbuttons:
Switches S4, S6, and S7 are multi-pin switches. In the description tables for these
switches, the pin is designated as S[switch number].[pin number]. For example, pin
1 in switch 2 is specified as S4.1.
Use S2 to configure the module:
Use S6 to configure the line interface for serial port B MEI.
Signal name
USER_PUSH_BUTTON_1
USER_PUSH_BUTTON_2
Dip-
switch
position
1
2
3
4
5
Switch pin
S6.1
S6.2
S6.3
S6.4
Usage
DEBUGEN#
Reserved
OCD_EN
Reserved
SW_CONF4
Function
On = RS232 transceiver enabled
RS422/RS485 transceiver disabled
Off= RS232 transceiver disabled
RS422/RS485 transceivers enabled
On = Auto Power Down enabled
Off = Auto Power Down disabled
On = 2 wire interface (RS422/RS485)
Off = 4 wire interface (RS422)
On = Terminator on
Off = No termination
Switch
(pushbutton
S3
S5
GPIO used
GPF0
GPF6
Comments
Auto Power Down is not supported on
this board. This signal is only accessible
to permit the user to completely disable
the MEI interface for using signals for
other purposes. To disable the MEI
interface go in RS232 mode (S6.1 = ON)
and activate the Auto Power Down
feature (S6.2 = ON). Be sure that no
cable is connected to connector X3.
67
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