SST89E554 SST [Silicon Storage Technology, Inc], SST89E554 Datasheet - Page 6

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

1.0 FUNCTIONAL BLOCKS
©2001 Silicon Storage Technology, Inc.
F
UNCTIONAL
B
LOCK
Watchdog Timer
D
IAGRAM
32K/64K x8
SuperFlash
Secondary
Timer 0 (16-bits)
Timer 1 (16-bits)
Timer 2 (16-bits)
EEPROM
Primary
8K x8
Block
Block
1
1. 64K x8 for SST89E564 and SST89V564
32K x8 for SST89E554 and SST89V554
SST89E564 / SST89V564 / SST89E554 / SST89V554
Security
Lock
CPU Core
8051
6
Enhanced
I/O Port 0
I/O Port 1
I/O Port 2
I/O Port 3
UART
8-bit
SPI
1K x8
RAM
Interrupt
Control
8 8
8
8
384 ILL B1.4
I/O
I/O
I/O
I/O
8 Interrupts
Preliminary Specifications
FlashFlex51 MCU
S71181-03-000 9/01
384