LTC1407 LINER [Linear Technology], LTC1407 Datasheet - Page 21

• Manufacturer Part Number: LTC1407
• Description: Serial 12-Bit/14-Bit, 3Msps Simultaneous Sampling Simultaneous Sampling
• Manufacturer: LINER [Linear Technology]

APPLICATIO S I FOR ATIO
**********************************************************************
*
**********************************************************************
*
* File: BSPI1407A.ASM
*
*
*
**********************************************************************
ON
OFF
YES
NO
BIT_8
BIT_10
BIT_12
BIT_16
GO
**********************************************************************
* This is an example of how to initialize the Buffered Serial Port (BSP).
* The BSP is initialized to require an external CLK and FSX for
* operation. The data format is 16-bits, burst mode, with autobuffering
* enabled. Set the variables listed below to configure the BSP for
* your application.
*
*****************************************************************************************************
*LTC1407A timing with 40MHz crystal.
*
*10MHz, divided from 40MHz, forced to CLKIN by 1407A board.
*
*Horizontal scale is 6.25ns/chr or 25ns period at BCLKR
*
*BFSR
~~~~~~~~~~~*
*BCLKR Pin J1-14 _/~\_/~\_/~\_/~\_/~\_/~\_/~\_/~\_/~\_/~\_/~\_/~\_/~\_/~\_/~\_/~\_/~\_/~\_/
~\_/~\_/~*
*BDR
B12*
*CLKIN Pin J5-09 ~~~~~\_______/~~~~~~~\_______/~~~~~~~\_______/~~~~~~~\_______/
~~~~~~~\_______/~~~~~*
*C542 read
B13 B12*
*
*
* negative edge BCLKR
* negative BFSR pulse
* no data shifted
* 1' cable from counter to CONV at DUT
Pin J1-20 ~~\____/~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\____/
Pin J1-26 _—_—_—<B13-B12-B11-B10-B09-B08-B07-B06-B05-B04-B03-B02-B01-B00>—_—<B13-
(C) COPYRIGHT TEXAS INSTRUMENTS, INC. 1996
for use with 1407A in standard mode
BSPC and SPC seem interchangeable in the ‘C542
BSPCE and SPCE seem interchangeable in the ‘C542
.space
.title “Buffered Serial Port Initialization Routine”
.set 1
.set !ON
.set 1
.set !YES
.set 2
.set 1
.set 3
.set 0
.set 0x80
U
24*16
U
BSP initialization code for the ‘C54x DSKplus
;68-7F; reserved area
0
W
B13 B12 B11 B10 B09 B08 B07 B06 B05 B04 B03 B02 B01 B00
U
LTC1407/LTC1407A
*
*
*
*
*
*
21
0
1407f
0