下载
©2011 Silicon Storage Technology, Inc. DS25094A 11/11
1
FlashFlex51 MCU
SST89E516RD2 / SST89E516RD
SST89V516RD2 / SST89V516RD
Programming Specification
A
Microchip Technology Company
Introduction
This document provides the instructions to help programming vendors qualify SST’s FlashFlex51
microcontrollers.
Functional Blocks
Figure 1: Functional Block Diagram
10 Interrupts
SuperFlash
EEPROM
Primary
Block
64K x8
Secondary
Block
8K x8
I/O
I/O
I/O
I/O
Watchdog Timer
Interrupt
Control
8051
CPU Core
RAM
1K x8
Security
Lock
I/O Port 0
I/O Port 1
I/O Port 2
I/O Port 3
Enhanced
UART
SPI
Timer 0 (16-bit)
Timer 1 (16-bit)
Timer 2 (16-bit)
88
8
8
1273 B1.0
PCA
I/O
I/O Port 4
4
Flash Control Unit
8
Oscillator
ALU,
ACC,
B-Register,
Instruction Register,
Program Counter,
Timing and Control
