AT89C51CC03UA-SLSUM Atmel, AT89C51CC03UA-SLSUM Datasheet - Page 22
AT89C51CC03UA-SLSUM
Manufacturer Part Number
AT89C51CC03UA-SLSUM
Description
IC 8051 MCU FLASH 64K 44PLCC
Manufacturer
Atmel
Series
AT89C CANr
Datasheet
1.AT89C51CC03C-S3RIM.pdf
(198 pages)
Specifications of AT89C51CC03UA-SLSUM
Core Processor
8051
Core Size
8-Bit
Speed
40MHz
Connectivity
CAN, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
36
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
2.25K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-PLCC
Processor Series
AT89x
Core
8051
Data Bus Width
8 bit
Data Ram Size
2304 B
Interface Type
UART, SPI
Maximum Clock Frequency
60 MHz
Number Of Programmable I/os
36
Number Of Timers
2
Operating Supply Voltage
3 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
On-chip Adc
10 bit, 8 Channel
For Use With
AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
AT89C51CC03UASLSUM
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Data Memory
22
AT89C51CC03
The AT89C51CC03 provides data memory access in two different spaces:
1. The internal space mapped in three separate segments:
•
•
•
2. The external space.
A fourth internal segment is available but dedicated to Special Function Registers,
SFRs, (addresses 80h to
Figure 8 shows the internal and external data memory spaces organization.
Figure 7. Internal Memory - RAM
Figure 8. Internal and External Data Memory Organization ERAM-XRAM
the lower 128 Bytes RAM segment.
the upper 128 Bytes RAM segment.
the expanded 2048 Bytes RAM segment (ERAM).
00h
256 up to 2048 Bytes
Internal ERAM
Internal
EXTRAM = 0
FFh
7Fh
FFh
80h
00h
) accessible by direct addressing mode.
indirect addressing
direct or indirect
Internal RAM
Internal RAM
addressing
128 Bytes
128 Bytes
Upper
Lower
FFh or 7FFh
FFh
80h
direct addressing
FFFFh
0000h
Registers
Function
Special
External XRAM
External
EXTRAM = 1
64K Bytes
4182O–CAN–09/08
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