CL-PS7500FE Datasheet, PDF (1/251 Pages) Cirrus Logic – System-on-a Chip for Internet Appliance

CL-PS7500FE
Advance Data Book
FEATURES
s Available in 56- and 40-MHz speed grades
s System-on-a-chip solution
— 32-bit ARM7 processor with MMU
— 4K unified cache
— FPU (floating point unit)
— Graphics controller drives CRT or LCD
— CD-quality sound audio controller
— DRAM controller
— ROM/Flash controller
— Three-channel DMA for video, cursor, and sound
— PC-style I/O bus
— Two-state power management
— Eight general-purpose I/O lines
s Performance
— 50 Vax™-MIPS (Dhrystone^®) at 56 MHz
— Up to 12 Mflops, double-precision FP (LINPACK)
s FPU
— Implements ANSI/IEEE Std 754-1985
— Single, double, and extended precision
System-on-a Chip for
Internet Appliance
OVERVIEW
The Cirrus Logic CL-PS7500FE is designed to be
used in internet appliances such as the network
computer, smart-TV, intranet terminal, screen
phones, DVD players, and so on.
The massively integrated CL-PS7500FE offers a
complete system-on-a-chip solution that includes a
32-bit ARM CPU with cache and MMU, CRT and
LCD controller, memory controller, FPU, CD-quality
sound controller, interface to the Cirrus Logic DSP
device for 56K modem and speakerphone, and a
PC-type I/O bus. To handle streaming of audio and
video data on the Internet, the CL-PS7500FE
includes a double-precision FPU to accelerate
software codecs.
Functional
Block Diagram
(cont.)
COLOR LCD SVGA MONITOR
TV
HEADPHONES
(cont.)
ROM
DRAM
(4 MBYTE, TYP)
CONFIG. MEMORY
(NON-VOL.)
REALTIME CLOCK
FRONT PANEL:
STATUS LEDs
RUN/STANDBY SW
ENCODER
PAL/NTSC
CD-DAC
CS4333
MEMORY BUS
VIDEO O/P
(RGB)
AUDIO O/P
(32 BIT)
I/O PORT
CL-PS7500FE
240-PIN PQFP
ISA-STYLE
BUS
2 ANALOG
2*PS/2 PORTS
INPUTS
56k MODEM
CL-MD34XX
ETHERNET
CS89XX
Version 2.0
KEYBOARD
MOUSE
GAMES DEVICE
(ANALOG)
June 1997