Features
• Utilizes the AVR
®
RISC Architecture
AVR – High-performance and Low-power RISC Architecture
– 118 Powerful Instructions – Most Single Clock Cycle Execution
– 32 x 8 General-purpose Working Registers
– Up to 1.5 MIPS Throughput at 1.5 MHz
Data and Nonvolatile Program Memory
– 8K Bytes Flash Program Memory
Endurance: 1,000 Write/Erase Cycles
– 256 Bytes Internal SRAM
– 512 Bytes EEPROM
Endurance: 100,000 Write/Erase Cycles
– Programming Lock for Flash Program and EEPROM Data Security
Peripheral Features
– One 8-bit Timer/Counter with Separate Prescaler
Rev. 1229B–11/00
8-bit
Microcontroller
with 8K Bytes
Programmable
Flash
AT90C8534
Preliminary
– One 16-bit Timer/Counter with Separate Prescaler
Special Microcontroller Features
– Low-power Idle and Power-down Modes
– External and Internal Interrupt Sources
– 6-channel, 10-bit ADC
Specifications
– Low-power, High-speed CMOS Process Technology
– Fully Static Operation
Power Consumption at 1.5 MHz, 3.6V, 25°C
– Active: 1.2 mA
– Idle Mode: 0.2 mA
– Power-down Mode: <10 µA
I/O and Packages
– Seven General Output Lines
– Two External Interrupt Lines
– 48-lead LQFP/VQFP Package
Operating Voltage
– 3.3 - 6.0V
Speed Grade
– 0 - 1.5 MHz
Description
The AT90C8534 is a low-power CMOS 8-bit microcontroller based on the AVR RISC
architecture. By executing powerful instructions in a single clock cycle, the
Pin Configuration
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
ADIN0
NC
NC
NC
NC
NC
NC
NC
NC
NC
AGND
NC
NC
INT0
INT1
PA6
NC
GND
NC
NC
NC
NC
NC
NC
48 47 46 45 44 43 42 41 40 39 38 37
13 14 15 16 17 18 19 20 21 22 23 24
ADIN1 ADIN2 ADIN3 ADIN4 ADIN5
AVCC
NC
RESET
NC
VCC
XTAL2 XTAL1
NC PA0 PA1 PA2 PA3 NC NC NC NC PA4 PA5 NC
(continued)
1