AT89LP214-20PU Atmel, AT89LP214-20PU Datasheet - Page 38

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

Specifications of AT89LP214-20PU

• 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-DIP (0.300", 7.62mm)
• Processor Series: AT89x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Interface Type: SPI/UART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 12
• Number Of Timers: 2
• Operating Supply Voltage: 2.4 V to 5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: AT89ISP
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Table 16-2.
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Table 16-3.
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Table 16-4.
38
GPLS = 9BH
Not Bit Addressable
Bit
GPIEN = 9CH
Not Bit Addressable
Bit
GPIF = 9DH
Not Bit Addressable
Bit
AT89LP213/214
GPMOD.x
GPLS
GPIEN
GPIF
GPIEN.x
GPIEN7
GPLS7
GPIF7
GPIF.x
7
7
7
– General-purpose Interrupt Flag Register
– General-purpose Interrupt Level Select Register
– General-purpose Interrupt Enable Register
0 = detect low level or negative edge on P1.x
1 = detect high level or positive edge on P1.x
0 = interrupt for P1.x disabled
1 = interrupt for P1.x enabled
0 = interrupt on P1.x inactive
1 = interrupt on P1.x active. Must be cleared by software.
GPIEN6
GPLS6
GPIF6
6
6
6
GPIEN5
GPLS5
GPIF5
5
5
5
GPIEN4
GPLS4
GPIF4
4
4
4
GPIEN3
GPLS3
GPIF3
3
3
3
GPIEN2
GPLS2
GPIF2
2
2
2
Reset Value = 0000 0000B
Reset Value = 0000 0000B
Reset Value = 0000 0000B
GPIEN1
GPLS1
GPIF1
1
1
1
GPIEN0
3538E–MICRO–11/10
GPLS0
GPIF0
0
0
0