AT89LP216-20PU Atmel, AT89LP216-20PU Datasheet - Page 21

• Manufacturer Part Number: AT89LP216-20PU
• Description: MCU 8051 2K FLASH 20MHZ 16-PDIP
• Manufacturer: Atmel
• Series: 89LPr

Specifications of AT89LP216-20PU

• 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: 14
• 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: 16-DIP (0.300", 7.62mm)
• Processor Series: AT89x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Interface Type: UART, SPI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 14
• Number Of Timers: 2
• Operating Supply Voltage: 2.4 V to 5.5 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: Details

Table 12-2.
.
Table 12-3.
3621E–MICRO–11/10
Symbol
EA
EC
EGP
ES
ET1
EX1
ET0
EX0
Symbol
PGP
PS
PT1
PX1
PT0
PX0
IE = A8H
Bit Addressable
Bit
IP = B8H
Bit Addressable
Bit
Function
Global enable/disable. All interrupts are disabled when EA = 0. When EA = 1, each interrupt source is enabled/disabled
by setting /clearing its own enable bit.
Comparator Interrupt Enable
General-purpose Interrupt Enable
Serial Port Interrupt Enable
Timer 1 Interrupt Enable
External Interrupt 1 Enable
Timer 0 Interrupt Enable
External Interrupt 0 Enable
Function
General-purpose Interrupt Priority Low
Serial Port Interrupt Priority Low
Timer 1 Interrupt Priority Low
External Interrupt 1 Priority Low
Timer 0 Interrupt Priority Low
External Interrupt 0 Priority Low
IE
IP
– Interrupt Enable Register
– Interrupt Priority Register
EA
7
–
7
EC
6
–
6
EGP
PGP
5
5
ES
PS
4
4
ET1
PT1
3
3
EX1
PX1
2
2
Reset Value = X000 0000B
Reset Value = 0000 0000B
ET0
PT0
1
1
AT89LP216
EX0
PX0
0
0
21