T89C5115 ATMEL Corporation, T89C5115 Datasheet - Page 2

• Manufacturer Part Number: T89C5115
• Description: Low Pin Count 8-bit MCU with A/D Converter and 16-Kbytes of Flash Memory
• Manufacturer: ATMEL Corporation

Block Diagram
Notes:
2
1. 8 analog Inputs/8 Digital I/O
2. 2-Bit I/O Port
T89C5115
XTAL1
XTAL2
CPU
In X2 mode a maximum external clock rate of 20 MHz reaches a 300 ns cycle time.
Timer 0
Timer 1
UART
CORE
C51
256x8
RAM
Ctrl
INT
IB-bus
16kx8
Flash
Parallel I/O Ports & Ext. Bus
Port 1 Port 2 Port 3
loader
Boot
2kx8
EEPROM
2kx8
Port 4
ERAM
256x8
Watch
Dog
PCA
Timer2
10-bit
ADC
4128A–8051–04/02