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SST89E54RD2(2007) Просмотр технического описания (PDF) - Silicon Storage Technology
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SST89E54RD2
(Rev.:2007)
FlashFlex MCU
Silicon Storage Technology
SST89E54RD2 Datasheet PDF : 81 Pages
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Data Sheet
1.0 FUNCTIONAL BLOCKS
FlashFlex MCU
SST89E54RD2/RD / SST89E58RD2/RD
SST89V54RD2/RD / SST89V58RD2/RD
Oscillator
8051
CPU Core
ALU,
ACC,
B-Register,
Instruction Register,
Program Counter,
Timing and Control
Interrupt
Control
10 Interrupts
Watchdog Timer
SuperFlash
EEPROM
Primary
Block
16K/32K x8
Secondary
Block
8K x8
Security
Lock
Timer 0 (16-bit)
Timer 1 (16-bit)
Timer 2 (16-bit)
PCA
Flash Control Unit
RAM
1K x8
I/O Port 0
I/O Port 1
I/O Port 2
I/O Port 3
I/O Port 4
8
I/O
8
I/O
8
I/O
8
I/O
4
I/O
SPI
Enhanced
UART
1255 B1.2
FIGURE 1-1: Functional Block Diagram
©2007 Silicon Storage Technology, Inc.
6
S71255-08-000
1/07
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