參數(shù)資料
型號: UPD78363A
廠商: NEC Corp.
英文描述: 16/8-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 16/8-BIT單晶片微控制器
文件頁數(shù): 54/96頁
文件大?。?/td> 502K
代理商: UPD78363A
μ
PD78363A, 78365A, 78366A, 78368A
54
5.
EXTERNAL DEVICE EXPANSION FUNCTION
The
μ
PD78366A can connect external devices (data memory, program memory, and peripheral devices) in
addition to the internal ROM and RAM areas. To connect an external device, the address/data bus and read/
write strobe signals are controlled by using ports 4, 5, and 9.
Table 5-1. Pin Function with External Device Connected
Pin function with external device connected
Function
Name
Multiplexed address/data bus
AD0-AD7
Address bus
A8-A15
Read strobe
RD
Write strobe
WR
Address strobe
ASTB
Pin
P40-P47
P50-P57
P90
P91
ASTB
相關(guān)PDF資料
PDF描述
UPD78365A 16/8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD78366A 16/8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD78366AGF 16/8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD78368A 16/8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD78368AGF 16/8-BIT SINGLE-CHIP MICROCONTROLLERS
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