AT89LP213_14 Datasheet, PDF (5/98 Pages) ATMEL Corporation – 8-bit Microcontroller Compatible with MCS51 Products

4. Block Diagram
Figure 4-1. AT89LP213 Block Diagram
AT89LP213/214
Single Cycle
8051 CPU
2KB Flash
128 Bytes
RAM
Port 3
Configurable I/O
Port 1
Configurable I/O
General-purpose
Interrupt
SPI
Timer 0
Timer 1
Analog
Comparator
Watchdog
Timer
On-Chip
RC Oscillator
CPU Clock _Configurable
Oscillator
Figure 4-2. AT89LP214 Block Diagram
Crystal or
Resonator
Single Cycle
8051 CPU
2KB Flash
128 Bytes
RAM
Port 3
Configurable I/O
Port 1
Configurable I/O
General-purpose
Interrupt
CPU Clock
UART
SPI
Timer 0
Timer 1
Analog
Comparator
Watchdog
Timer
On-Chip
RC Oscillator
Configurable
Oscillator
Crystal or
Resonator
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