参数资料
型号: SST89E554A-40-I-TQJ
厂商: SILICON STORAGE TECHNOLOGY INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP44
封装: MS-026ACB, TQFP-44
文件页数: 10/87页
文件大小: 996K
代理商: SST89E554A-40-I-TQJ
18
Preliminary Specifications
FlashFlex51 MCU
SST89E554A / SST89V554A
2003 Silicon Storage Technology, Inc.
S71228-00-000
6/03
TABLE
3-9: INTERFACE SFRS
Symbol Description
Direct
Address
Bit Address, Symbol, or Alternative Port Function
RESET
Value
MSB
LSB
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
Mask
B9H
SADEN[7:0]
00H
SPCR
SPI Control
Register
D5H
SPIE
SPE
DORD
MSTR
CPOL
CPHA
SPR1
SPR0
04H
SPSR
SPI Status
Register
AAH
SPIF
WCOL
00H
SPDR
SPI Data Register
86H
SPDR[7:0]
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
P42
Port 4
A5H
1
P4.3
P4.2
P4.1
P4.0
FFH
T3-9.0 1228
1. Bit Addressable SFRs
2. P4 is similar to P1 and P3 ports
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