Block Diagram - Atmel AVR ATtiny15L Manual

Block Diagram

1187H–AVR–09/07
Figure 1. The ATtiny15L Block Diagram
VCC
GND
PROGRAM
COUNTER
PROGRAM
FLASH
INSTRUCTION
REGISTER
INSTRUCTION
DECODER
CONTROL
LINES
PROGRAMMING
LOGIC
DATA REGISTER
PORT B
8-BIT DATA BUS
STACK
POINTER
HARDWARE
STACK
GENERAL
PURPOSE
REGISTERS
Z
ALU
STATUS
REGISTER
ISP MODULE
DATA DIR.
REG.PORT B
PORT B DRIVERS
PB0-PB5
ATtiny15L
TUNABLE
INTERNAL INTERNAL
OSCILLATOR OSCILLATOR
WATCHDOG TIMING AND
TIMER CONTROL
MCU CONTROL
REGISTER
MCU STATUS
REGISTER
TIMER/
COUNTER0
TIMER/
COUNTER1
INTERRUPT
UNIT
DATA
EEPROM
ANALOG MUX ADC
3