Figure 5-2. Mbx860 Entry-Level Features Block Diagram - Motorola MBX Series Installation And Use Manual

PPORT Host/Peripherial
PIP (SMC2, SPI, TDM)
SCC2, SCC3, SCC4, SMC1,
2
I C, CLOCKs, TDM
INFC CNTL
CS0
CS7
CS1
CS2
CS3
CS4
2 2
I C
Devices:
2
EPROM,
I C
DIMM,
DTT

Figure 5-2. MBX860 Entry-Level Features Block Diagram

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MPC860
SCC1
PCMCIA
Chip
Select
Router
Boot
FLASH (x32)
ROM (x8)
DRAM (x32/36)
DIMM Socket (x64/72) DIMM Socket (x64/72)
DRAM BANK 1 (x32/36) DRAM BANK 1 (x32/36)
DRAM BANK 2 (x32/36) DRAM BANK 2 (x32/36)
BBSRAM (x8)
CONTROL & STATUS REGISTER #1 (X8)
CONTROL & STATUS REGISTER #2 (X8)
MPC860
COMM
Local Bus &
Interface
Interface
SMC1
Selector
EIA-232
Transceiver
MBX Block Diagrams
Population
Parallel Port
Option
Debug Port
IEEE1149.1
Test Access Port
Ethernet Interface
10BaseT & AUI
Single Slot
PCMCIA
Interface
Power Power
UTILITY CONN #1
LEDs
RESET
STOP/ABORT
EXT. BATTERY
PWR FAIL SENSE
-5.0V
-12.0V
SCC2, SCC3, SCC4 SCC2,
2 2
SMC1, SMC2, SPI, I C, SMC1, SMC2, SPI, I C
TDM Signals/Clocks TDM Signals/Clocks
COM1
To/From Standard Version
Clocks Clocks
Battery/ Battery/
KAPWR KAPWR
Circuits Circuits
2143 9802
5-3
5