M3A-HS64G01 Functions
3.7 UART Interface
Rev. 1.00 Apr 30, 2009
3-21
REJ11J0034-0100
3
3.7 UART Interface
The SH7264 has a Serial Communication Interface with FIFO (SCIF). The SCIF channel 3 pin is connected to the UART
connector (7-pin, 2.5 mm pitch) on the M3A-HS64G01, at TTL level.
The figure below shows the UART interface block diagram, and the table below lists the jumpers setting (JP4, and JP5).
SH7264
RS-232C driver
SHDN#
PJ1/CRx0/IERxD/
RxD0
TIN
ROUT
PJ0/CTx0/IETxD/
TxD0
3.3 V
3.3 V
RES#
3.3 V
RIN
TOUT
RXD
DTR#
DSR#
RTS#
CTS#
D-Sub 9-pin
RS-232C connector
CAN interface
PJ5/IERxD/
TxD3
PJ4/IETxD/
RxD3
PJ6//TIOC1A/
SCK3
PJ7/TIOC1B/
CTS3#
PJ8/PWM2E/
RTS3#
UART connector (B7B-XH)
GND
2
JP5
JP4
Expansion connector
3.3 V
VCC
TXD
2
3
1
3
2
1
Note: Pin names
in red
indicate the function used.
Figure 3.7.1 UART Interface Block Diagram
Table 3.7.1 Jumpers Setting (JP4, and JP5)
Number 1-2
2-3
JP4
Selects the TxD0 (SCIF) pin - default
Selects the CTx0 (RCAN-TL1) / IETxD (IEB) pins
JP5
Selects the RxD0 (SCIF) pin - default
Selects the CRx0 (RCAN-TL1) / IERxD (IEB) pins
Содержание M3A-HS64
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