AT89LP828-20MH Atmel, AT89LP828-20MH Datasheet - Page 33

• Manufacturer Part Number: AT89LP828-20MH
• Description: MCU 8051 8K FLASH SPI 32VQFN
• Manufacturer: Atmel
• Series: 89LPr

Specifications of AT89LP828-20MH

• 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: 30
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-TQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -

Table 9-4.
Table 9-5.
3654A–MICRO–8/09
Symbol
IP1D
PCH
PT2H
PSH
PT1H
PX1H
PT0H
PX0H
Symbol
ESP
ECC
EGP
IPH = B7H
Not Bit Addressable
Bit
IE = B4H
Not Bit Addressable
Bit
Function
Interrupt Priority 1 Disable. Set IP1D to 1 to disable all interrupts with priority level one. Clear to 0 to enable all interrupts
with priority level one when EA = 1.
Comparator Interrupt Priority High
Timer 2 Interrupt Priority High
Serial Port Interrupt Priority High
Timer 1 Interrupt Priority High
External Interrupt 1 Priority High
Timer 0 Interrupt Priority High
External Interrupt 0 Priority High
Function
Serial Peripheral Interface Interrupt Enable
Compare/Capture Array Interrupt Enable
General-purpose Interrupt Enable
IPH – Interrupt Priority High Register
IE2 – Interrupt Enable 2 Register
IP1D
7
–
7
PCH
6
–
6
PT2H
5
–
5
PSH
4
–
4
PT1H
3
–
3
PX1H
ESP
2
2
Reset Value = 0000 0000B
Reset Value = xxxx x000B
AT89LP428/828
PT0H
ECC
1
1
PX0H
EGP
0
0
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