Brother International MFC-P2000 Service Manual - Page 21
Main PCB Block Diagram, Fig. 2-2 shows
UPC - 012502525394
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1.2 Main PCB Block Diagram Fig. 2-2 shows the block diagram of the main PCB. Reset Circuit Program + Font ROM 1Mbyte RAM (2.0 Mbytes) CPU Core (MC68EC000) BUS INT A S I C Oscillator (15.3MHz) Address Decoder DRAM Control Timer FIFO Sub ASIC DATA EXTENSION CIS Scan IC CDCC Parallel I/O Soft Support To PC EEPROM (512 8 bits) EEPROM I/O Motor Driver Engine Control I/O To Panel Sensor PCB Fig. 2-2 II-2
II-2
1.2
Main PCB Block Diagram
Fig. 2-2 shows the
block diagram of the main PCB
.
Reset Circuit
Program + Font ROM
1Mbyte
RAM
(2.0 Mbytes)
EEPROM (512
8 bits)
CPU Core
(MC68EC000)
A
S
I
C
Oscillator (15.3MHz)
Address Decoder
DRAM Control
Timer
FIFO
DATA EXTENSION
CDCC Parallel I/O
Soft Support
EEPROM I/O
Engine Control
I/O
Motor Driver
To Panel Sensor PCB
BUS
INT
To PC
Scan IC
Sub ASIC
CIS
Fig. 2-2