UPD77533 datasheet(11/104 Pages) RENESAS

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Data Sheet S15671EJ4V0DS

µµµµPD77533

1. PIN FUNCTIONS

1.1

Explanation of Pin Functions

•••• Power supply

Pin Name

Pin No.

I/O

Function

IVDD

A6, B9, M8

−

Power supply for core (1.425 to 1.65 V)

EVDD

A5, B11, C2, G3, G11, J2 ,K5, K11

−

Power supply for I/O pins (2.7 to 3.6 V)

GND

A2, A9, B1, B6, C4, C10, C11, D10,

F2, F10, K1, K3, K8, K9, L11, L12,

M2, M6

−

Ground

AVDD

B10

−

Power supply for PLL analog (1.425 to 1.65 V)

AGND

A10

−

Ground for PLL analog

• Clock control

Pin Name

Pin No.

I/O

Function

GPSCLK

D11

Input

GPS reference clock input (16.384 MHz)

Inputs the clock for operating the

µPD77533.

REFCLK

C12

Input

Frequency adjustment reference clock (PDC: 14.4 MHz,

PHS: 19.2 MHz, etc.)

• System control

Pin Name

Pin No.

I/O

Function

RESETB

Input

Internal system reset input

Initializes the

µPD77533.

WKUPB

Input

STOP mode release input

WAKEUP interrupt input: Falling edge detection

STNDBYB

Output

Standby status (STOP or HALT)

0: Standby status

1: Operating

TXACTV

L10

Input

ADDI data mask enable signal

0: Not masked

1: Masked

INVRX

Input

RXD logic inversion setting signal

This signal sets inversion of the host serial input RXD

logic.

0: Not inverted

1: Inverted

• Host serial interface

Pin Name

Pin No.

I/O

Function

RXD

Input

Asynchronous serial input

RTS

Output

Request To Send

CTS

Input

Clear To Send

TXD

M10

Output

Asynchronous serial output

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