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參數(shù)資料
| 型號： | M34250M2-XXXFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, 4.4 MHz, MICROCONTROLLER, PDSO20 |
| 封裝： | PLASTIC, SOP-20 |
| 文件頁數(shù)： | 34/59頁 |
| 文件大?。?/td> | 713K |
| 代理商： | M34250M2-XXXFP |
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3
MITSUBISHI MICROCOMPUTERS
4250 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
PERFORMANCE OVERVIEW
Function
70
1.0
s (at 4.0 MHz system clock frequency) (Refer to the electrical characteristics because
the minimum instruction execution time depends on the supply voltage.)
2048 words ! 9 bits
64 words ! 4 bits
Four independent I/O ports; ports D2 and D3 are also used as ports C and K, respectively.
4-bit I/O port
1-bit I/O port; port C is also used as port D2.
1-bit I/O port; port K is also used as port D3.
2-bit I/O port
4-bit I/O port; ports G0 and G1 are also used as pins INT and TOUT.
Interrupt input; INT pin is also used as port G0.
Timer output; TOUT pin is also used as port G1.
8-bit timer with a reload register
2 (one for external and one for timer)
1 level
CR oscillation circuit (a capacitor and a resistor connected externally)
Frequency error:
±17 %
(VDD = 5 V
± 10 %, VDD = 3 V ± 10 %, the error of the external capacitor and resistor excluded)
4 levels
CMOS silicon gate
20-pin plastic molded SOP (20P2N-A)
–20
°C to 85 °C
2.2 V to 5.5 V (Refer to the electrical characteristics because the supply voltage depends on
the system clock frequency.)
1.5 mA
(at 4.0 MHz system clock frequency, VDD = 5 V, output transistors in the cut-off state)
0.1
A (at room temperature, VDD = 5 V, output transistors in the cut-off state)
Parameter
Number of basic instructions
Minimum instruction execution time
Memory sizes
Input/Output
ports
Timer
Interrupt
Oscillation circuit
Subroutine nesting
Device structure
Package
Operating temperature range
Supply voltage
Power
dissipation
(typical value)
ROM
RAM
D0–D3
S0–S3
C
K
F0, F1
G0–G3
INT
TOUT
Timer 1
Sources
Nesting
Active mode
RAM back-up mode
M34250M2/
E2
I/O
Input
Output
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