MB90F482PF datasheet(11/113 Pages) FUJITSU

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MB90480/485 Series

(Continued)

Pin No.

Pin name

Circuit

type

Function

LQFP*1 QFP*2

P56

(CMOS)

This is a general purpose I/O port. In external bus mode, when the RYE

bit in the EPCR register is set to “1”, this pin functions as the RDY pin.

RDY

In external bus mode, this pin functions as the external ready (RDY) input

pin. When the RYE bit in the EPCR register is set to “0”, this pin functions

as a general purpose I/O port.

P57

(CMOS)

This is a general purpose I/O port. In external bus mode, when the CKE

bit in the EPCR register is set to “1”, this pin functions as the CLK pin.

CLK

In external bus mode, this pin functions as the machine cycle clock (CLK)

output pin. When the CKE bit in the EPCR register is set to “0”, this pin

functions as a general purpose I/O port.

36 to 39

38 to

P60 to P63

(CMOS)

These are general purpose I/O ports.

AN0 to AN3

These are the analog input pins.

41 to 44

43 to

P64 to P67

(CMOS)

These are general purpose I/O ports.

AN4 to AN7

These are the analog input pins.

P70

(CMOS/

This is a general purpose I/O port.

SIN0

This is the UART data input pin.

P71

(CMOS)

This is a general purpose I/O port.

SOT0

This is the UART data output pin.

P72

(CMOS/

This is a general purpose I/O port.

SCK0

This is the UART clock I/O pin.

P73

(CMOS/

This is a general purpose I/O port.

TIN0

This is the 16-bit reload timer event input pin.

P74

(CMOS)

This is a general purpose I/O port.

TOT0

This is the 16-bit reload timer output pin.

P75

(CMOS)

MB90480

series

This is a general purpose I/O port.

P75

(CMOS/

)

MB90485

series

This is a general purpose I/O port.

PWC2*3

This is a PWC input pin.

P76

F (CMOS)

MB90480

series

This is a general purpose I/O port.

P76

(NMOS/

MB90485

series

This is a general purpose I/O port.

SCL*3

Serves as the I2C interface data I/O pin. During operation of the

I2C interface, leave the port output in a high impedance state.

P77

F (CMOS)

MB90480

series

This is a general purpose I/O port.

P77

(NMOS/

MB90485

series

This is a general purpose I/O port.

SDA*3

Serves as the I2C interface data I/O pin. During operation of the

I2C interface, leave the port output in a high impedance state.

45,

47,

P80, P81

(CMOS/

)

These are general purpose I/O ports.

IRQ0, IRQ1

External interrupt input pins.

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