AT91SAM7A1-EK Atmel, AT91SAM7A1-EK Datasheet - Page 14

• Manufacturer Part Number: AT91SAM7A1-EK
• Description: BOARD EVAL FOR AT91SAM7A1
• Manufacturer: Atmel
• Series: AT91SAM Smart ARMr
• Type: MCUr

Specifications of AT91SAM7A1-EK

• Contents: Evaluation Board, Parallel Cable and CD-ROM
• Processor To Be Evaluated: AT91SAM7A1
• Data Bus Width: 32 bit
• Interface Type: RS-232
• For Use With/related Products: AT91SAM7A1
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

6114A–ATARM–09/04
3-4
Table 3-5. 2 LIN Buses and 1 RS-232 Modem-compliant Interface
Note:
The RS-232 interfaces are connected to two SubD9 male connectors:
The pinout for the DB9 connector J6 used by the USART0 is described in Table 3-6.
Table 3-6. J6 Pinout
Note:
The pinout for the DB9 connector J8 used by the USART0, USART2 and UPIO[5:0] is
described in Table 3-7.
Table 3-7. J8 Pinout
Note:
Connector J6 for the simple RS-232 interface (RX/TX)
Connector J8 for the RS-232 modem-compliant interface (RX/TX/DSR/CTS, etc.)
Communication
RS232 Modem
The UPIO[5:0] are shared between the LCD interface and the RS-232 driver
MN1. To avoid signal conflicts, these two devices should not be used at the
same time.
1. Depends on the strap configuration.
1. Depends on the strap configuration.
Type
LIN
LIN
J6 Pin
Others
J8 Pin
2
3
5
1
2
3
4
5
6
7
8
9
Connector
J19
J4
J8
DTR (Data Terminal Ready)
RTS (Request to Send)
DSR (Data Set Ready)
CTS (Clear to Send)
CD (Carrier Detect)
TX (Transmit Data)
TX (Transmit Data)
RX (Receive Data)
RX (Receive Data)
RI (Ring Indicator)
Not connected
Function
Function
Ground
Ground
AT91SAM7A1
AT91SAM7A1-EK Evaluation Board User Guide
Peripheral
USART1
USART0
USART2
UPIO
E16: 1 - 2
AT91SAM7A1 Pin
AT91SAM7A1 Pin
No strap
E9: 3 - 4
E9: 1 - 2
E5: 1 - 2
E6: 1 - 2
Closed
Straps
Not connected
J9
UPIO1/RXD0
UPIO0/TXD0
UPIO3
UPIO2
UPIO4
UPIO5
RXD0
RXD2
TXD0
TXD2
GND
GND
E16: 2 - 3
E16: 2 -3
No strap
E9: 2 - 3
E5: 2 -3
E6: 2 -3
Straps
Open
(1)
(1)