參數(shù)資料
型號: UPD784054GCA-XXX-3B9
廠商: NEC Corp.
英文描述: MICROCONTROLLER|16-BIT|UPD78K4 CPU|CMOS|QFP|80PIN|PLASTIC
中文描述: 單片機| 16位| UPD78K4的CPU |的CMOS | QFP封裝| 80腳|塑料
文件頁數(shù): 44/86頁
文件大?。?/td> 579K
代理商: UPD784054GCA-XXX-3B9
μ
PD784054(A)
44
9. LOCAL BUS INTERFACE
The
μ
PD784054(A) can be connected to an external memory or I/O (memory mapped I/O), supporting a 1M-
byte memory space (refer to
Figure 9-1
).
Figure 9-1. Example of Local Bus Interface (with external 8-bit bus specified)
Address bus
SRAM
PROM
Character
generator
Data bus
AD0-AD7
AD8-AD15
ASTB
LWR
RD
A16-A19
PD784054(A)
μ
Latch
Address bus
Gate array
I/O expansion
Centronics I/F, etc.
D
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