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100WI5OO
Manual
Appendix B
GENERAL INFORMATION
This
chapter describes only differences between the current
1500 and
new
1500.
new
1500 is changed Video Controller
Board. The current
1500 used Video controller boards for
MAIN
board and
ROM-B board, and the new
1500 used
W-B
board only. The functions
MAIN-B bead are same as the
MAIN board with
ROM-B board.
specifications
for new
1500 and current
1500 are same.
MAIN COMPONENTS
This section describes the
MAIN-B board.
6.2.1
MAIN-B Board
The
MAIN-B board is video
‘The functions of this board main are receiving
print data from host, generating
print image (video), and sending the print image to the engine
controller via the video interface. A M-bit 16.67 MHz CPU
(location:
is used, and the
following memory chips and custom
are assigned to the 16 MB memory space.
■
Memory chips
16 M-bit Mask
4 M-bit
IC104)
16 K-bit
64 K-bit SRAM
Custom
-
Standard cell
Standard
Standard cell
(IC1OO)
■
Others
Serial interface driver/receiver
/’
Rev. C
B-1