CS4216 Datasheet, PDF (53/58 Pages) Cirrus Logic – 16-Bit Stereo Audio Codec

;PALASM Design Description
;---------------------------------- Declaration Segment ------------
TITLE
CDB4216
PATTERN
4216L_B
REVISION
2.0B
AUTHOR
C. Sanchez
COMPANY
Crystal Semiconductor
DATE
4/27/93
CHIP _4216l_b PALCE22V10Z
;---------------------------------- PIN Declarations ---------------
PIN
1
/SPF2
COMBINATORIAL ; INPUT
PIN
2
/SPF1
COMBINATORIAL ; INPUT
PIN
3
/MA
COMBINATORIAL ; INPUT
PIN
4
/BPF2
COMBINATORIAL ; INPUT
PIN
5
/BPF1
COMBINATORIAL ; INPUT
PIN
6
/DIV3
COMBINATORIAL ; INPUT
PIN
7
/DIV2
COMBINATORIAL ; INPUT
PIN
8
/DIV1
COMBINATORIAL ; INPUT
PIN
9
DI4
COMBINATORIAL ; INPUT
PIN
10
DI3
COMBINATORIAL ; INPUT
PIN
11
DI2
COMBINATORIAL ; INPUT
PIN
12
GND
PIN
13
CDIN
COMBINATORIAL ; INPUT
PIN
14
CCLK
COMBINATORIAL ; INPUT
PIN
15
NC
PIN
16
MF6
COMBINATORIAL ; OUTPUT
PIN
17
MF3
COMBINATORIAL ; OUTPUT
PIN
18
MF4
COMBINATORIAL ; OUTPUT
PIN
19
MF2
COMBINATORIAL ; OUTPUT
PIN
20
/CCS
COMBINATORIAL ; INPUT
PIN
21
MF1
COMBINATORIAL ; OUTPUT
PIN
22
NC
PIN
23
NC
PIN
24
VCC
;----------------------------------- Boolean Equation Segment ------
EQUATIONS
MF1 = SPF2 * /SPF1 * MA * DIV1
+ SPF2 * /SPF1 * /MA * BPF2
MF1.TRST = SPF2 * /SPF1
MF2 = SPF2 * /SPF1 * MA * DIV2
+ SPF2 * /SPF1 * /MA * BPF1
+ SPF2 * SPF1 * CDIN
MF2.TRST = SPF2
MF3 = /SPF2 * DI3 + SPF2 * /SPF1 * /MA * DI3
+ SPF2 * /SPF1 * MA * DIV3
+ SPF2 * SPF1 * CCLK
MF4 = /SPF2 * DI4
Figure 10. PALCE22V10Z PAL Equations.
DS83DB4
CDB4216
53