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1.2
Block Diagram
Figure 1.2-1 is a block diagram of the MB91319.
■ Block Diagram
Figure 1.2-1 Block Diagram
32
Bit search
RAM
EVA 64KB
FLASH 48KB
MASK 32KB
32 to 16
adapter
Clock
control
Interrupt
controller
UART
5ch
External
interrupt
PWC
Port
*1 : DSU is loaded only in MB91FV319A/R
*2 : Font ROM: MB91FV319A/R: FLASH 512 KB
: MB91F318A/S, MB91316 : MASK ROM 384 KB
FR
CPU Core
32
MASK 512KB
Bus converter
External
function
memory
I/F
Font ROM
2
FLASH 512 KB*
OSDC
2
ROM
384 KB*
2
I
C
A/D
4ch
10ch
PPG
Reload
4ch
4ch
timer 3ch
CHAPTER 1 OVERVIEW
1
DSU
*
Flash 1MB
DMAC5ch
USB
CCD
2ch
Multifunction
timer 4ch
7
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