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TMS57002
(DSP)
PIN
ASSIGNMENT
J®
TMS57002
O
oO
25,
O'
24
TMS57002
(DSP)
PIN
FUNCTION
PIN NAME
I/O
FUNCTION
VCC1,
VCC2
—
+5V supply pins
VSSl,
VSS2
—
Ground pins
CLKIN
I
Systei clock
input
SYNC
I
Systen synchronization signal
SYPOL
1
Polarity selct
of
SYNC active edge
SIO, SI1
I
S-port data receive
input
pins
S00, SOI
0
S-port data transmit output pins
BCKI
i
Bit clock for Input S-ports
BCKO
I
Bit clock for Output
S-ports
LRCKI
I
L/R channel indication signal for
Input S-
ports
LRCKO
I
L/R channel indication signal for Output S-ports
D(7-0)
I/O
8b
it
data
input
and output of P-port
STRB
I
Data Strobe
input for
P-port
IR
I
Write control signal input
for
P-port
EMPTY
0
Indicate P-port input buffer eapty condition
CS
I
Chip select
for
P-port enable
PLOAD
I
Prograa data
load
control signal
for
P-port
CLOAD
I
Coefficient data background update request
BIO
!
I
Branch control signal
MUTE
!
I
Mute serial port signal
OVFM
0
Overflow detect signal on nultiplier accunulator
OVFA
0
Overflow detect signal on ALU accunulator
RS
I
Hardware reset signal
PCO
0
Output Progran Counter 0 state for sync clock
CLKSEL
I
Select signal
of
clock rate
TEST (0-4)
I
Device
test control
signals
RES
1
Reserved
for
future external DRAM interface
i
20
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