Rainbow Electronics AT90C8534 - Manual (Page 2)

AT90C8534
2
AT90C8534 achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consump-
tion versus processing speed.
Block Diagram
Figure 1. The AT90C8534 Block Diagram
PROGRAM
COUNTER
STACK
POINTER
PROGRAM
FLASH
MCU CONTROL
REGISTER
SRAM
GENERAL
PURPOSE
REGISTERS
INSTRUCTION
REGISTER
TIMER/
COUNTERS
INSTRUCTION
DECODER
DATA DIR.
REG. PORTA
DATA REGISTER
PORTA
ANALOG MUX ADC
PROGRAMMING
LOGIC
TIMING AND
CONTROL
OSCILLATOR
INTERRUPT
UNIT
EEPROM
STATUS
REGISTER
Z
Y
X
ALU
PORTA DRIVERS
PA0 - PA6
RESET
VCC
AVCC
AGND
GND
XTAL2
XTAL1
CONTROL
LINES
8-BIT DATA BUS
ADIN5..0
EXTERNAL
INTERRUPTS
INT1,0