SST89E554 SST [Silicon Storage Technology, Inc], SST89E554 Datasheet - Page 16

• Manufacturer Part Number: SST89E554
• Description: FlashFlex51 MCU
• Manufacturer: SST [Silicon Storage Technology, Inc]

TABLE
©2001 Silicon Storage Technology, Inc.
Symbol Description
SBUF
SCON
SADDR Slave Address
SADEN Slave Address
SPCR
SPSR
SPDR
P0
P1
P2
P3
1. Bit Addressable SFRs
1
1
1
1
1
Serial Data Buffer
Serial Port Control
Mask
SPI Control
Register
SPI Status
Register
SPI Data Register
Port 0
Port 1
Port 2
Port 3
3-9: I
NTERFACE
SFR
Address
Direct
AAH
A9H
B9H
D5H
A0H
B0H
99H
98H
86H
80H
90H
S
SM0/FE
SPD7
SPIE
MSB
SPIF
RD#
-
SST89E564 / SST89V564 / SST89E554 / SST89V554
Bit Address, Symbol, or Alternative Port Function
WCOL
SPD6
WR#
SM1
SPE
-
DORD MSTR CPOL CPHA SPR1 SPR0
SPD5
16
SM2
T1
-
SADDR#[7:0]
SADEN#[7:0]
SPD4
SBUF[7:0]
REN
P0[7:0]
P2[7:0]
T0
-
SPD3
INT1# INT0#
TB8
-
SPD2 SPD1 SPD0
RB8
-
T2EX
TXD
TI
Preliminary Specifications
FlashFlex51 MCU
RXD
LSB
T2
RI
S71181-03-000 9/01
Indeterminate
RESET
Value
FFH
FFH
FFH
FFH
00H
00H
00H
04H
00H
00H
T3-9.4 384
384