參數(shù)資料
型號(hào)： MSM66589
廠商： OKI SEMICONDUCTOR CO., LTD.
英文描述： High Performance 16-Bit Microcontroller(高速高性能16位微控制器)
中文描述： 高性能16位微控制器（高速高性能16位微控制器）
文件頁(yè)數(shù)： 6/27頁(yè)
文件大?。?/td> 264K
代理商： MSM66589
6/27
Semiconductor
MSM66589/66P589/66Q589
PIN DESCRIPTION (Continued)
OE
When P0, P1, P2, P7_4-P7_7, and P8-P11 are in an output state and
OE
pin is "H"
level, P0, P1, P2, P7_4-P7_7, and P8-P11 go to a high-impedance state.
When P0, P1, P2, P7_4-P7_7, and P8-P11 are in an output state and
OE
pin is "L"
level, P0, P1, P2, P7_4-P7_7, and P8-P11 output "H" or "L" level.
However, when P0, P1, P2, P7_4-P7_7, and P8-P11 are in an input state, these
ports are not under the influence of
OE
pin.
I
NMI
Nonmaskable interrupt request input pin
I
RES
Low-active RESET input pin
I
EA
Normally set to "H" level. If set to "L" level, the program memory goes into
external access mode and accesses external program memory
I
V
DD
Power supply pin
I
GND
Ground pin
I
Symbol
Type
Description
AI0-AI15
Analog signal input pin for A/D converter
I
AV
DD
Power supply input pin for A/D converter
I
V
REF
Reference voltage input pin for A/D converter
I
AGND
GND input pin for A/D converter
I
OSC0
Basic clock oscillation pin
I
OSC1
O
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