
Using ADSP-BF609 EZ-KIT Lite
IS ATTACHED TO THE CAN0 PORT OF THE ADSP-BF609 PROCESSOR VIA AN RJ-11
CONNECTOR. SEE “CAN CONNECTOR (J4)” ON PAGE 2-27 .
THE PE02 PROGRAMMABLE FLAG CONNECTS TO THE ERROR AND POWER ON INDICA-
TION OUTPUT OF THE CAN TRANSCEIVER, CAN0 . THE TRANSMIT AND RECEIVE PINS
OF THE TRANSCEIVER ARE CONNECTED TO THE DEDICATED CAN0 TRANSMIT AND RECEIVE
PINS OF THE PROCESSOR.
TO DISCONNECT THE CAN IC SIGNALS CAN0RX AND CAN0_ERR , CHANGE THE
APPROPRIATE SETTINGS VIA SOFTCONFIG. SEE “SOFTWARE-CONTROLLED SWITCHES
(SOFTCONFIG)” ON PAGE 2-3 .
EXAMPLE PROGRAMS ARE INCLUDED IN THE EZ-KIT LITE INSTALLATION DIRECTORY
TO DEMONSTRATE CAN CIRCUIT OPERATION.
UART Interface
THE ADSP-BF609 PROCESSOR HAS TWO BUILT-IN UNIVERSAL ASYNCHRONOUS
TRANSMITTERS (UARTS), WITH ONLY UART0 CONNECTED TO A UART LINE TRANS-
MITTER. UART0 HAS FULL RS-232 FUNCTIONALITY VIA THE ANALOG DEVICES
ADM3315 LINE DRIVER AND RECEIVER ( U39 ).
PIN PD07/UART0_TX/TM0_ACI3 OF THE PROCESSOR IS CONNECTED TO THE
ADM3315 DEVICE DIRECTLY. PIN PD08/UART0_RX/TM0_ACI0 IS CONNECTED AS
WELL BY THE DEFAULT SETTING OF SOFTCONFIG. (THIS CAN BE CHANGED BY THE
SOFTCONFIG SWITCH).
BY DEFAULT, UART0 RTS AND CTS SIGNALS ARE NOT CONNECTED (BUT CAN BE
THROUGH SOFTCONFIG). THE SOFTCONFIG SWITCHES ALSO ALLOW THE LOOPBACK OF
CTS AND RTS . UART CTS CAN BE ADDED AS AN INPUT TO THE RESET CIRCUIT
THROUGH SOFTCONFIG. PINS 1, 4 AND 6 OF THE UART CONNECTOR ( J2 ) CAN BE
ENABLED AS AN INPUT TO THE ON-BOARD RESET CIRCUIT THROUGH SOFTCONFIG.
REFER TO “SOFTWARE-CONTROLLED SWITCHES (SOFTCONFIG)” ON PAGE 2-3 FOR
MORE INFORMATION.
ADSP-BF609 EZ-KIT LITE EVALUATION SYSTEM MANUAL
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