3886 datasheet(32/380 Pages) RENESAS

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1-7

3886 Group User’s Manual

HARDWARE

P51/INT20

/S0

P52/INT30

P53/INT40

Functions

Name

P40/XCOUT

P41/XCIN

I/O port P4

•8-bit I/O port with the same function as port P0.

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

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

•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

•Interrupt input pin

•I2C-BUS interface function pin

•Bus interface function pin

PIN DESCRIPTION

3886 Datasheet(PDF) 32 Page - Renesas Technology Corp

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