AT89C51CC02CA-RATUM Atmel, AT89C51CC02CA-RATUM Datasheet - Page 27
AT89C51CC02CA-RATUM
Manufacturer Part Number
AT89C51CC02CA-RATUM
Description
IC 8051 MCU FLASH 16K 32-VQFP
Manufacturer
Atmel
Series
AT89C CANr
Datasheet
1.T89C51CC02CA-TDSIM.pdf
(159 pages)
Specifications of AT89C51CC02CA-RATUM
Core Processor
8051
Core Size
8-Bit
Speed
40MHz
Connectivity
CAN, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
20
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
512 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
32-TQFP, 32-VQFP
Processor Series
AT89x
Core
8051
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
UART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
20
Number Of Timers
1
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
Development Tools By Supplier
CANADAPT28
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
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Upper 128 Bytes RAM
Expanded RAM
4126L–CAN–01/08
Figure 10. Lower 128 Bytes Internal RAM Organization
The upper 128 Bytes of RAM are accessible from address 80h to FFh using only indirect
addressing mode.
The on-chip 256 Bytes of expanded RAM (XRAM) are accessible from address 0000h to
00FFh using indirect addressing mode through MOVX instructions. In this address
range.
Note:
Lower 128 Bytes RAM, Upper 128 Bytes RAM, and expanded RAM are made of volatile
memory cells. This means that the RAM content is indeterminate after power-up and
must then be initialized properly.
30h
20h
18h
10h
08h
00h
7Fh
2Fh
1Fh
17h
0Fh
07h
bit-Addressable Space
(bit Addresses 0-7Fh)
4 Banks of
8 Registers
R0-R7
AT/T89C51CC02
27
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