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參數(shù)資料
| 型號： | MSM66P589-XXXGS-BK |
| 廠商： | OKI ELECTRIC INDUSTRY CO LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, OTPROM, 20 MHz, MICROCONTROLLER, PQFP12 |
| 封裝： | QFP-128 |
| 文件頁數(shù)： | 25/28頁 |
| 文件大?。?/td> | 255K |
| 代理商： | MSM66P589-XXXGS-BK |
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Semiconductor
MSM66589/66P589/66Q589
FEDL66589-01
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
VDD
Power supply pin
I
GND
Ground pin
I
Symbol
Type
Description
AI0-AI15
Analog signal input pin for A/D converter
I
AVDD
Power supply input pin for A/D converter
I
VREF
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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