EV6000 Datasheet, PDF (13/18 Pages) CML Microcircuits – CML Semiconductor Products

Evaluation Kit User Manual for PIC Board
EV6000
txalt Enter a test mode where a continuous "10101010" pattern will be transmitted at 1200
baud by the FX604. Press <Esc> to terminate this pattern.
(c) Functions:
(Press <Esc> to exit these functions)
rxfsk Enter a mode where FSK data received by the FX602/FX604 is interpreted as ASCII
characters and displayed within the terminal emulator window. If the FX604 Tx back
channel is enabled, then entering a 1 or 0 will change the state of the transmit data
output. The FX602/FX604 is operated with data retiming selected.
txtxt Enter a mode where text entered by the user or downloaded as a text transfer is
transmitted by the FX604. The FX604 is operated with data retiming selected.
txext Enter a mode where raw data can be applied by the user to connector J2 pin 2 on the
EV6000 board for transmission at 1200 baud by an FX604 on the attached
EV6020/EV6040 board. A clock output is provided on J2 pin 1 of the EV6000 board,
the positive-going edge of which may be used to latch data on to J2 pin 2.
rxext Enter a mode where raw data which has been received by an FX602 or FX604 at 1200
baud on the attached EV6020/EV6040 board can be read by the user on connector J2
pin 2 of the EV6000 board. A clock output is provided on J2 pin 1 of the EV6000
board, the positive-going edge of which may be used to latch data from J2 pin 2.
Notes:
Some terminal emulators have been found not to support full hardware flow control when transferring
text files. This could result in data loss when using the txtxt command. If this problem is
experienced, users should try using a lower data rate or a different terminal emulator.
The PIC I/O line (J2 pin 1) which is used for the rxext and txext commands is an open-collector
output with only a weak, 1MΩ, pull-up resistor fitted to the EV6000 board.
When using either of the f! or f@ utilities, the register address equates to the following I/O ports:
05 PORT A
06 PORT B
07 PORT C
08 PORT D
09 PORT E
The individual lines of each port equate to EV6020 (and EV6040) connections as follows:
_dtmf
_acload
_wp
_txline
PORT A
bit 0
PORT A
bit 1
PORT A
bit 2
PORT A
bit 3
_d3
_d2
_d1
_d0
_zp
_mode
_irqn
_det
PORT B
PORT B
PORT B
PORT B
PORT B
PORT B
PORT B
PORT B
bit 0
bit 1
bit 2
bit 3
bit 4 ( _m0 for EV6040)
bit 5 ( _m1 for EV6040)
bit 6
bit 7
_clk
PORT C
bit 0
© 1996 Consumer Microcircuits Limited
13
UM6000/3