FlashFlex MCU
SST89E516RD2 / SST89E516RD
SST89V516RD2 / SST89V516RD
Data Sheet
1.0 FUNCTIONAL BLOCKS
8051
CPU Core
ALU,
ACC,
B-Register,
Instruction Register,
Program Counter,
Timing and Control
Interrupt
Oscillator
10 Interrupts
Control
Flash Control Unit
Watchdog Timer
SuperFlash
EEPROM
Primary
Block
RAM
1K x8
64K x8
8
8
8
I/O
I/O
I/O
I/O Port 0
Secondary
Block
8K x8
Security
Lock
I/O Port 1
I/O Port 2
I/O Port 3
8
4
Timer 0 (16-bit)
Timer 1 (16-bit)
Timer 2 (16-bit)
PCA
I/O
I/O
I/O Port 4
SPI
Enhanced
UART
1273 B1.0
FIGURE
1-1: Functional Block Diagram
©2007 Silicon Storage Technology, Inc.
S71273-03-000
1/07
6
SST [ SILICON STORAGE TECHNOLOGY, INC ]
