PDSP16256A Zarlink Semiconductor, PDSP16256A Datasheet - Page 14

• Manufacturer Part Number: PDSP16256A
• Description: Programmable FIR Filter
• Manufacturer: Zarlink Semiconductor

14
C15:12
BUSY
SCLK
SCLK
PDSP16256/A
A7:0
A7:0
CCS
RES
CCS
FE
COEFFICIENT
0000
LOAD LAST
MASTER
ADDRESS
EPROM
00
FF
LOAD MASTER CONTROL
DATA
MSB
LSB
REGISTER
Figure. 15 EPROM load sequence timing diagrams
00
LOAD SLAVE 1
Fig. 15b EPROM load sequence for a cascaded system
CONTROL
REGISTER
01
Figure. 16 Three device auto EPROM load
01
0001
LOAD FIRST COEFFICIENT
00
Fig. 15a EPROM load sequence
00
COEFFICIENTS
LOAD SLAVE 1
A7:0
CCS
C15:12
C7:0
A7:0
CCS
C15:12
C7:0
A7:0
CCS
C15:12
C7:0
01
PDSP16256
PDSP16256
PDSP16256
01
MASTER
SLAVE 1
SLAVE 2
FE
EPROM
EPROM
EPROM
COEFFICIENT
LOAD LAST COEFFICIENT
LOAD LAST
VALID ADDR
C11:8
BYTE
C11:8
BYTE
C11:8
BYTE
SLAVE 1
WEN
WEN
WEN
0001
CS
CS
CS
FF
VALID ADDR
(2 SLAVES)
0010
GND
GND
GND
0001
GND
V
GND
0010
GND
V
GND
DD
DD
00
LOAD SLAVE 2
CONTROL
REGISTER
01
0010
00
LOAD SLAVE 2
COEFFICIENTS
00
01