AT80C51RD2-RLRUM Atmel, AT80C51RD2-RLRUM Datasheet - Page 49
AT80C51RD2-RLRUM
Manufacturer Part Number
AT80C51RD2-RLRUM
Description
IC MCU 80C51 HI PERFORM 44VQFP
Manufacturer
Atmel
Series
80Cr
Datasheet
1.AT80C51RD2-RLRUM.pdf
(81 pages)
Specifications of AT80C51RD2-RLRUM
Core Processor
8051
Core Size
8-Bit
Speed
40MHz
Connectivity
UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
32
Program Memory Type
ROMless
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Processor Series
AT80x
Core
8051
Data Bus Width
8 bit
Data Ram Size
1280 B
Interface Type
UART, SPI
Maximum Clock Frequency
60 MHz
Number Of Programmable I/os
32
Number Of Timers
3
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT80C51RD2-RLRUM
Manufacturer:
NXP
Quantity:
8 243
4113D–8051–01/09
Reset Value = XXXX XXX0b
Bit addressable
Table 12-6.
IPL1 - Interrupt Priority Register (B2h)
Reset Value = XXXX XXX0b
Bit addressable
Table 12-7.
Number
Number
Bit
Bit
7
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
-
IPL1 Register
IPH1 Register
Mnemonic Description
Mnemonic Description
KBDL
KBD
Bit
Bit
6
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Keyboard interrupt Enable bit
Cleared to disable keyboard interrupt.
Set to enable keyboard interrupt.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Keyboard Interrupt Priority bit
Refer to KBDH for priority level.
5
-
4
-
3
-
2
-
AT80C51RD2
1
-
KBDL
0
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