參數(shù)資料
型號: MSM9225GA-2K
廠商: OKI ELECTRIC INDUSTRY CO LTD
元件分類: 微控制器/微處理器
英文描述: 2 CHANNEL(S), 1M bps, LOCAL AREA NETWORK CONTROLLER, PQFP44
封裝: 9 X 10 MM, 0.80 MM PITCH, PLASTIC, QFP-44
文件頁數(shù): 45/74頁
文件大小: 487K
代理商: MSM9225GA-2K
Semiconductor
MSM9225
5/73
Symbol
Type
Description
Pin
Mode1, 0
I
Microcontroller interface select pins.
29, 30
Mode1
0
1
0
Mode0
0
1
0
1
Parallel mode
Serial mode
Separate buses
No address latch signal
With address latch signal
Multiplexed buses
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.
INT
O
11
Reset pin.
System is reset when this pin is at a "L" level.
RESET
I
25
Clock pins. If internal oscillator is used, connect a crystal oscillator. If external
clock is input, input clock via XT pin. The XT pin should be left open.
XT
I
13
XT
O
14
Receive input pin. Differential amplifier included.
RX0, RX1
I
18, 19
Transmission output pin.
TX0, TX1
O
22, 23
Internal logic power supply pin.
VDD
12, 24,
40
Internal logic GND pin.
GND
6, 15, 21
28, 39
Power supply pin for receive input differential amplifier.
AVDD
20
GND pin for receive input differential amplifier.
AGND
17
Interface
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