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參數(shù)資料
| 型號： | ML64P168-NGA |
| 廠商： | OKI ELECTRIC INDUSTRY CO LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, OTPROM, 0.7 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | 14 X 14 MM, 0.65 MM PITCH, PLASTIC, QFP-80 |
| 文件頁數(shù)： | 49/51頁 |
| 文件大?。?/td> | 304K |
| 代理商： | ML64P168-NGA |
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FEDL64P168-01
Semiconductor
ML64P168
7/51
PIN DESCRIPTIONS
The basic functions of each pin of the ML64P168 is described in Table 1.
A symbol with a slash ( / ) denotes a pin that has a secondary function.
Refer to Table 2 for secondary functions.
For Type, “ - ” denotes a power supply pin, “ I ” an input pin, “O” an output pin, and “I/O” an input-
output pin.
Table 1 Pin Descriptions ( Basic Functions )
Pin No.
Function
Symbol
GP
GA
Type
Description
VSS
32
30
-
0V power supply
VDD
67
65
-
Positive power supply
VDD1
42
40
-
Bias output for driving LCD (
+1.5 V, +1.2 V* )
VDD2
44
42
-
Bias output for driving LCD (
+3.0 V, +2.4 V* )
VDD3
45
43
-
Bias output for driving LCD (
+4.5 V, +3.6 V* )
VDDI
43
41
-
Positive power supply for I/O port interface
VPP
31
29
-
Power supply (+12.5 V) for PROM writing
C1
46
44
-
Power
Supply
C2
47
45
-
Pins for connecting a capacitor for generating LCD driving
bias
XT
69
67
I
XT
68
66
O
Low-speed clock oscillation input and output pins.
Connect to a crystal ( 32.768 kHz ).
OSC1
66
64
I
Oscillation
OSC2
65
63
O
High-speed clock oscillation input and output pins.
Connect to an external resistor for oscillation ( ROS ).
TST1
71
69
I
Test
TST2
72
70
I
Input pins for testing.
A pull-up resistor is internally connected to these pins.
Reset
RESET
70
68
I
System reset input pin.
Setting this pin to
″ L ″ level puts this device into a reset state.
Then, setting this pin to
″ H ″ level starts executing an
instruction from address 0000H.
*When the voltage regulator for LCD driver is used.
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