Kurzweil K250 - Page 64

Figure 3.12 - CGP-CHANNEL BOARD INTERFACE
(12 CHANNEL HANDSHAKE)
CHRDRQ
ATA D
B
(~
C
US
rom
PU)
E\rI
LDDAC
CHSEL
D
C
B
A
CHEN
16 BIT
REGISTER
.
.
.
LOAD
t
~
L
CHEN (1 :12)
r---
-
FSAMP1
·
:gr
·
·
L-
FSAMP2
~~
1 OF 12
IDAC
DECODE
f-
FSAMP3
SELECT
OUT
4 BIT
LOAD LATCH
IN
SELECT
1 OF 12
·
•
DECODE
·
Kurzwell 250 Service Manual, Chapter 3
3- 34
1 OF 12
DECODE
r+-
SELECT