SST89E554 查看數據表（PDF） - Silicon Storage Technology

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SST89E554

Flash flex 51 MCU

Silicon Storage Technology 

FlashFlex51 MCU

SST89E564 / SST89V564 / SST89E554 / SST89V554

Preliminary Specifications

TABLE 3-9: INTERFACE SFRS

Symbol Description

Direct

Bit Address, Symbol, or Alternative Port Function

Address MSB

LSB

RESET

Value

SBUF Serial Data Buffer 99H

SBUF[7:0]

Indeterminate

SCON1 Serial Port Control 98H SM0/FE SM1 SM2 REN TB8 RB8 TI

RI

00H

SADDR Slave Address

A9H

SADDR#[7:0]

00H

SADEN Slave Address

B9H

SADEN#[7:0]

00H

Mask

SPCR SPI Control

Register

D5H

SPIE SPE DORD MSTR CPOL CPHA SPR1 SPR0

04H

SPSR SPI Status

AAH

SPIF WCOL

00H

Register

SPDR SPI Data Register 86H SPD7 SPD6 SPD5 SPD4 SPD3 SPD2 SPD1 SPD0

00H

P01

Port 0

80H

P0[7:0]

FFH

P11

Port 1

90H

-

-

-

-

-

- T2EX T2

FFH

P21

Port 2

A0H

P2[7:0]

FFH

P31

Port 3

B0H

RD# WR# T1

T0 INT1# INT0# TXD RXD

FFH

1. Bit Addressable SFRs

T3-9.4 384

©2001 Silicon Storage Technology, Inc.

16

S71181-03-000 9/01 384

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