AT89LP214-20XU Atmel, AT89LP214-20XU Datasheet - Page 95

• Manufacturer Part Number: AT89LP214-20XU
• Description: MCU 8051 2K FLASH 20MHZ 14-TSSOP
• Manufacturer: Atmel
• Series: 89LPr

Specifications of AT89LP214-20XU

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 12
• Program Memory Size: 2KB (2K x 8)
• Program Memory Type: FLASH
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 14-TSSOP
• Package: 14TSSOP
• Device Core: 8051
• Family Name: AT89
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 2.5|3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 12
• Interface Type: SPI/UART
• Number Of Timers: 2
• Core: 8051
• Processor Series: AT89x
• Maximum Clock Frequency: 20 MHz
• Data Ram Size: 128 B
• Mounting Style: SMD/SMT
• Height: 1.05 mm
• Length: 5.1 mm
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.4 V
• Width: 4.5 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

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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