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M38867M8A Datasheet(Fiches technique) 6 Page - Mitsubishi Electric Semiconductor

Numéro de pièce M38867M8A
Description  SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER  
Télécharger  110 Pages
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Fabricant  MITSUBISHI [Mitsubishi Electric Semiconductor]
Site Internet  http://www.mitsubishichips.com
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 6 page
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6
3886 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
P51/INT20
/S0
P52/INT30
/R
P53/INT40
/W
Functions
Name
Pin
P40/XCOUT
P41/XCIN
I/O port P4
•8-bit I/O port with the same function as port P0.
<Input level>
P40, P41 : CMOS input level
P42–P46 : CMOS compatible input level or TTL in-
put level
P47 : CMOS compatible input level or TTL input
level in the bus interface function
<Output structure>
P40, P41, P47 : CMOS 3-state output structure
P42–P46 : CMOS 3-state output structure or N-
channel open-drain output structure
•Regardless of input or output port, P42 to P46 can
be input every pin level.
•When P42 and P43 are used as output port, the
function which makes P42 and P43 clear to “0”
when the host CPU reads the output data bus
buffer 0 can be added.
•8-bit I/O port with the same function as port P0.
•CMOS compatible input level.
•CMOS 3-state output structure.
•P50 to P53 can be switched between CMOS com-
patible input level or TTL input level in the bus
interface function.
Function except a port function
Table 2 Pin description (2)
•Sub-clock generating circuit I/O
pins
(Connect a resonator.)
P42/INT0
/OBF00
P43/INT1
/OBF01
P44/RxD
P45/TxD
P46/SCLK1
/OBF10
P47/SRDY1
/S1
P50/A0
P54/CNTR0
P55/CNTR1
P56/DA1
/PWM01
P57/DA2
/PWM11
P60/AN0
P67/AN7
P70/SIN2
P71/SOUT2
P72/SCLK2
P73/SRDY2
/INT21
P74/INT31
P75/INT41
P76/SDA
P77/SCL
P80/DQ0
P87/DQ7
I/O port P5
I/O port P6
I/O port P7
I/O port P8
•8-bit I/O port with the same function as port P0.
•CMOS compatible input level.
•CMOS 3-state output structure.
•8-bit I/O port with the same function as port P0.
P70–P75 : CMOS compatible input level or TTL in-
put level
P76, P77 : CMOS compatible input level or
SMBUS input level in the I2C-BUS inter-
face function, N-channel open-drain
output structure
•Regardless of input or output port, P70 to P75 can
be input every pin level.
•8-bit I/O port with the same function as port P0.
•CMOS compatible input level.
•CMOS 3-state output structure.
•CMOS compatible input level or TTL input level in
the bus interface function.
•Interrupt input pins
•Bus interface function pins
•Serial I/O1 function pins
•Serial I/O1 function pins
•Bus interface function pins
•Bus interface function pins
•Interrupt input pins
•Bus interface function pins
•Timer X, timer Y function pins
•D-A converter output pin
•PWM output pin
•A-D converter output pin
•Serial I/O2 function pin
•Serial I/O2 function pin
•Interrupt input pin
•Interrupt input pin
•I2C-BUS interface function pin
•Bus interface function pin




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