mpc823rg Freescale Semiconductor, Inc, mpc823rg Datasheet - Page 60
mpc823rg
Manufacturer Part Number
mpc823rg
Description
Mpc823 Powerquicc Integrated Communications Processor For Portable Systems
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MPC823RG.pdf
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Introduction
1.8 MPC823 GLUELESS SYSTEM DESIGN
The MPC823 was primarily designed to make it easy for you to interface a microprocessor
with other system components. Figure 1-2 illustrates a system configuration that contains
one flash EPROM and yet supports DRAM SIMM and one SRAM. Although the MPC823
supports a glueless interface to DRAM, the capacitance of the system bus may require that
there be external buffers. From a logic standpoint, however, a glueless system is
maintained.
MPC823
PARITY[0:3]
ADDRESS
Figure 1-2. MPC823 System Configuration
GPL1/
WE[
RD/
DATA
CS0
CS1
0:3]
WR
OE
CS2
MPC823 REFERENCE MANUAL
WE0
ADDRESS
CE
OE
OE
WE
DATA
PARITY[0:3]
CE
ADDRESS
CE
OE
WE
DATA
ADDRESS
RAS
CAS
W
DATA
OE
CE
W
8-BIT BOOT
EPROM/FLASH
DRAM
[0:3]
SRAM
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