Figure 5-1. Mbx821 Entry-Level Features Block Diagram - Motorola MBX Series Installation And Use Manual

Functional Description
PPORT Host/Peripherial
5
I C

Figure 5-1. MBX821 Entry-Level Features Block Diagram

5-2
MPC821
PIP (SMC2, SPI, TDM)
SCC2, SMC1, SCC2, SMC1,
2 2
I C, CLOCKs, TDM I C, CLOCKs, TDM
INFC CNTL
CS0
Chip
Select
CS7
Router
FLASH (x32)
CS1
DRAM (x32/36)
DIMM Socket (x64/72)
CS2
DRAM BANK 1 (x32/36)
CS3
DRAM BANK 2 (x32/36)
BBSRAM (x8)
CS4
CONTROL & STATUS REGISTER #1 (X8)
CONTROL & STATUS REGISTER #2 (X8)
MPC821
Local Bus &
Interface
2 2
I C
SMC1
Devices:
2
EPROM,
DIMM,
DTT
Population
Option
SCC1
PCMCIA
LCD
Boot
ROM (x8)
SCC2,
COMM
SMC1, SMC2, SPI, I C
Interface
TDM Signals/Clocks
COM1
Selector
EIA-232
Transceiver
Computer Group Literature Center Web Site
Parallel Port
Debug Port
IEEE1149.1
Test Access Port
Ethernet Interface
10BaseT & AUI
Single Slot
PCMCIA
Interface
LCD
Interface
Power Power
UTILITY CONN #1
LEDs
RESET
STOP/ABORT
EXT. BATTERY
PWR FAIL SENSE
-5.0V
-12.0V
Clocks Clocks
Battery/
KAPWR
Circuits
2
To/From Standard Version
2142 9802 2142 9802