hsp43168 Intersil Corporation, hsp43168 Datasheet - Page 5

• Manufacturer Part Number: hsp43168
• Description: Dual Fir Filter
• Manufacturer: Intersil Corporation

SHFTEN
CSEL0-4
MUX0-1
OUT0-8
ACCEN
INB1-9/
†
INA0-9
CIN0-9
FWRD
RVRS
TXFR
FIR B INPUT
INB0
A0-8
OEH
CLK
OEL
WR
SOURCE
10
10
5
2
9
9
FIR A FORWARD PATH
FIR A REVERSE PATH
DELAY 4
DELAY 5
DELAY 6
M
U
X
DELAY 3
DELAY 3
DELAY 3
DELAY 3
DELAY 3
0
A
REG
ACCUMULATOR
REG
ALU
10
X
11
21
11
B
FIR A
M
U
X
10
10
1-16
1-16
DELAY
DELAY
COEF
BANK
CONTROL
††
††
R
E
G
A
0
REG
REG
ALU
DECIMATION REGISTERS
DELAY 4
DELAY 3
X
B
ADDER
REG
1-16
1-16
DELAY
DELAY
COEF
BANK
†
†
†
†
†
†
†
†
22
1
0
MODE SELECT
ODD EVEN SYMMETRY
FIR A ODD/EVEN # TAPS
FIR B ODD/EVEN # TAPS
FIR B INPUT SOURCE
DATA REVERSAL ENABLE
ROUND ENABLE
DECIMATION FACTOR
††
††
M
U
X
1
A
REG
ALU
REG
OUTPUT
HOLDING
REGISTER
X
†
B
FIR A ODD/EVEN # TAPS
†
1-16
1-16
DATA REVERSAL ENABLE
DELAY
DELAY
COEF
BANK
††
††
A
2
ALU
REG
REG
FIGURE 1. DUAL FIR FILTER
X
B
COEF
BANK
FIR CELL A
M
U
X
†
SYMMETRY
ODD/EVEN
DATA FEEDBACK
3
9
†
CIRCUITRY
MODE SELECT
1-16
DELAY
LIFO A
LIFO B
1-16
DELAY
DELAY 2
ADDER
MUX/
††
††
28
D
E
M
U
X
19
M
U
X
M
U
X
†
ROUND ENABLE
†
†
ODD/EVEN SYMMETRY
MODE SELECT
0
A
REG
REG
ALU
X
ACCUMULATOR
B
FIR B
M
U
X
1-16
1-16
DELAY
DELAY
COEF
BANK
††
††
0
R
E
G
A
REG
REG
DECIMATION REGISTERS
ALU
X
B
DELAY 4
DELAY 3
1-16
1-16
DELAY
DELAY
ADDER
COEF
BANK
REG
††
††
1
0
A
1
REG
ALU
REG
M
U
X
X
OUTPUT
HOLDING
REGISTER
B
†
ODD/EVEN # TAPS
1-16
1-16
FIR B
DELAY
DELAY
COEF
BANK
††
††
A
2
ALU
REG
REG
X
B
M
U
X
COEF
BANK
DATA FEEDBACK
FIR B REVERSE PATH
FIR B FORWARD PATH
OUT9-27
CIRCUITRY
†
SYMMETRY
3
DELAY
LIFO A
LIFO B
ODD/EVEN
1-16
†† Decimation factor
FIR CELL B
† Processor control words
†
DATA REVERSAL ENABLE
M
D
E
U
X
M
U
X
†
NUMBER OF
TAPS
ODD/EVEN