參數(shù)資料
型號: UPD784037
廠商: NEC Corp.
英文描述: 16-/8-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 16-/8-bit的單晶片微控制器
文件頁數(shù): 52/94頁
文件大?。?/td> 503K
代理商: UPD784037
μ
PD784035Y, 784036Y, 784037Y, 784038Y
52
9.
LOCAL BUS INTERFACE
The local bus interface can connect an external memory or I/O (memory mapped I/O) and support a memory space
of 1 MByte (refer to Figure 9-1).
Figure 9-1. Example of Local Bus Interface
9.1
Memory Expansion
The memory capacity can be expanded in seven steps, from 256 Bytes to 1 MByte, by connecting an external
program memory and data memory.
D
Latch
Pseudo SRAM
PROM
PD27C1001A
μ
Character
generator
PD24C1000
μ
Data bus
Address bus
Gate array
I/O expansion
Centronics I/F, etc.
PD784038Y
μ
A16-A19
RD
WR
REFRQ
AD0-AD7
ASTB
A8-A15
相關PDF資料
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UPD784038YGK RECTIFIER BRIDGE 1.5A 1000V 40A-ifsm 1.1V-vf 5uA-ir KBP 35/TUBE
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