AT89LP214 Atmel Corporation, AT89LP214 Datasheet - Page 95

• Manufacturer Part Number: AT89LP214
• Manufacturer: Atmel Corporation

Specifications of AT89LP214

• Flash (kbytes): 2 Kbytes
• Max. Operating Frequency: 20 MHz
• Cpu: 8051-1C
• Max I/o Pins: 12
• Spi: 1
• Uart: 1
• Sram (kbytes): 0.125
• Operating Voltage (vcc): 2.4 to 5.0
• Timers: 2
• Isp: SPI/OCD
• Watchdog: Yes

Table of Contents
3538E–MICRO–11/10
1
2
3
4
5
6
7
8
9
10 Reset ....................................................................................................... 14
Features ..................................................................................................... 1
Description ............................................................................................... 1
Pin Configuration ..................................................................................... 2
Pin Description ......................................................................................... 3
Block Diagram .......................................................................................... 5
Comparison to Standard 8051 ................................................................ 6
Memory Organization .............................................................................. 7
Special Function Registers ..................................................................... 9
Enhanced CPU ....................................................................................... 10
System Clock ......................................................................................... 12
2.1
2.2
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
6.1
6.2
8.1
9.1
9.2
9.3
9.4
10.1
10.2
10.3
10.4
AT89LP213: 14-lead TSSOP/PDIP ...................................................................2
AT89LP214: 14-lead TSSOP/PDIP ...................................................................2
System Clock .....................................................................................................6
Instruction Execution with Single-cycle Fetch ...................................................6
Interrupt Handling ..............................................................................................6
Timer/Counters ..................................................................................................6
Serial Port ..........................................................................................................6
Watchdog Timer ................................................................................................7
I/O Ports ............................................................................................................7
Reset .................................................................................................................7
Program Memory ...............................................................................................7
Data Memory .....................................................................................................8
Restrictions on Certain Instructions .................................................................11
Crystal Oscillator .............................................................................................12
External Clock Source .....................................................................................13
Internal RC Oscillator ......................................................................................13
System Clock Out ............................................................................................13
Power-on Reset ...............................................................................................14
Brown-out Reset ..............................................................................................16
External Reset .................................................................................................16
Watchdog Reset ..............................................................................................17
AT89LP213/214
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