DSP56F803EVM Freescale Semiconductor, DSP56F803EVM Datasheet - Page 21
DSP56F803EVM
Manufacturer Part Number
DSP56F803EVM
Description
KIT EVALUATION FOR DSP56F803
Manufacturer
Freescale Semiconductor
Datasheets
1.CWH-UTP-ONCE-HE.pdf
(2 pages)
2.DSP56F803EVM.pdf
(68 pages)
3.DSP56F803BU80E.pdf
(52 pages)
Specifications of DSP56F803EVM
Processor To Be Evaluated
56F803
Data Bus Width
16 bit
Interface Type
RS-232, JTAG
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Freescale Semiconductor
2.3 RS-232 Serial Communications
The 56F803EVM provides an RS-232 interface by the use of an RS-232 level converter,
(Analog Devices ADM3311EARS, designated as U3); refer to the RS-232 schematic
diagram in
signal levels to RS-232 compatible signal levels and connects to the host’s serial port via
connector P4. Flow control is not provided, but could be implemented using uncommitted
GPIO signals. The pin-out of connector P4 is listed in
Figure
Figure 2-2. Schematic Diagram of the RS-232 Interface
2-2. The RS-232 level converter transitions the SCI UART’s +3.3V
Table 2-1. RS-232 Serial Connector Description
56F803
Pin #
1
2
3
4
5
RXD0
TXD0
Jumper to 6 & 4
Jumper to 1 & 6
Technical Summary, Rev. 5
Signal
RXD
GND
TXD
T1in
R1out
P4
Level Interface
Pin #
RS-232
6
7
8
9
T1out
R1in
Table
Jumper to 1 & 4
Jumper to 8
Jumper to 7
Signal
N/C
2-1.
RS-232
x
1
3
9
6
2
7
8
4
5
DB9
P4
RS-232 Serial Communications
2-5
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