參數(shù)資料
型號(hào): ML9620GAZ210
廠(chǎng)商: OKI ELECTRIC INDUSTRY CO LTD
元件分類(lèi): 微控制器/微處理器
英文描述: 1 CHANNEL(S), 1M bps, LOCAL AREA NETWORK CONTROLLER, PQFP44
封裝: 0.80 MM PITCH, PLASTIC, QFP-44
文件頁(yè)數(shù): 5/79頁(yè)
文件大?。?/td> 449K
代理商: ML9620GAZ210
ML9620 User’s Manual
Chapter 1
Overview
1 – 5
Symbol
Pin
Description
Mode[1:0]
I
Microcontroller interface select pins.
Mode1
Mode0
MCU Interface mode
0
No address latch signal
0
1
Separate
buses
With address latch signal
1
0
Parallel
mode
Multiplexed buses
1
Serial mode
INT
O
Interrupt request output pin.
When an interrupt request occurs, a ‘L’ level is output.
Three types of interrupts share this pin:
transmission complete, reception complete, and error.
It becomes a ‘H’ level at the reset.
RESET
I
Reset pin.
System is reset when this pin is at a ‘L’ level.
XT
I
Clock input pin.
Crystal oscillator(or Ceramic resonator) connection or external clock input.
Connect a crystal oscillator, if used, to XT and
XT.
XT
O
Clock output pin.
Crystal oscillator(or Ceramic resonator) connection.
Leave this pin unconnected if using external clock input.
TX
O
Transmission output pin.
It becomes a high impedance at the reset.
RX
I
Receive input pin.
VDD
-
Power supply pins.
Connect all VDD pins to the power supply source.
GND
-
GND pins.
Connect all GND pins to ground.
Test
I
Test pins.
Connect all Test pins to ground.
nc
-
Not Connect pin.
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