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参数资料
| 型号： | MB89PV950CF |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, 5 MHz, MICROCONTROLLER, CQFP64 |
| 封装： | 0.80 MM PITCH, PIGGY BACK, MQFP-64 |
| 文件页数： | 15/110页 |
| 文件大小： | 619K |
| 代理商： | MB89PV950CF |
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GENERAL
1– 8
1.5
Pin Description
Table 1–2 lists the pin functions and shows the Fig. 1.4 input/output circuits.
Table 1–2 Pin Description
Pin No
Pin Name
Circuit
Function
0.65
0.8
22
23
X0
A
Clock oscillator pins
23
24
X1
21
22
MODA
B
Operation-mode select pins
This pin is connected directly to VSS with pull down resistor.
19
20
RST
C
Reset I/O pin
This pin consists of an N-ch open-drain output with a pull-up resistor and
hysteresis input. A Low level is put out from this pin. A “LOW” voltage on
this port generates a RESET condition.
48 to 41 49 to
42
P00/SEG20
to
P07/SEG27
D
N-channel open-drain type general-purpose I/O ports
Also serve as LCDC controller segment outputs.
Switching between port output and segment output is performed by the
mask option every 8 bits.
40 to 33 41 to
34
P10/SEG28
to
P17/SEG35
D
N-channel open-drain type general-purpose I/O ports
Also serve as LCDC controller segment outputs.
Switching between port output and segment output is performed by the
mask option.
32 to 27 33 to
28
P20/SEG36
to
P25/SEG41
D
N-channel open-drain type general-purpose I/O ports
Also serve as LCDC controller segment outputs.
Switching between port output and segment output is performed by the
mask option.
14 to 11 15 to
12
P30 to P31
F
N-channel open-drain type general-purpose I/O ports
12 to 11 13 to
12
P32/V1 to
P33/V2
D
N-channel open-drain type general-purpose I/O ports
Also serve as LCDC controller power supply.
15
16
P40
E
General-purpose I/O ports
A pull-up resistor option is provided.
16
17
P41/PWM
E
General-purpose I/O port
Serves as PWM timer toggle output (PWM).
A pull-up resistor option is provided.
17
18
P42/PWC/
INT1
E
General-purpose I/O port
Also serves as pulse-width count timer input (PWC) and external interrupt
input (INT1). The PWC and INT1 inputs are hysteresis type. A pull-up
resistor option is provided.
18
19
P43/SI
E
General-purpose I/O port
Also serves as serial I/O and UART data input (SI). The SI input is
hysteresis type.
A pull-up resistor option is provided.
20
21
P44/SO
E
General-purpose I/O port
Also serves as serial I/O and UART data output (SO).
A pull-up resistor option is provided.
25
26
P45/SCK
E
General-purpose I/O port
Also serves as serial I/O and UART clock input/output (SCK). The SCK
input is hysteresis type.
A pull-up resistor option is provided.
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