AT89C5122D-RDRUM Atmel, AT89C5122D-RDRUM Datasheet - Page 29

• Manufacturer Part Number: AT89C5122D-RDRUM
• Description: IC 8051 MCU 32K CRAM USB 64-VQFP
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C5122D-RDRUM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 48MHz
• Connectivity: SmartCard, SPI, UART/USART, USB
• Peripherals: LED, POR, WDT
• Number Of I /o: 46
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• For Use With: AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCUAT89STK-10 - KIT EVAL APPL MASS STORAGEAT89STK-03 - KIT STARTER FOR MCU AT8XC5122/23
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Other names: AT89C5122D-RDRUMTR

Figure 13. AT83R5122, AT8xC5122’s ROM Version
4202F–SCR–07/2008
PROGRAM MEMORY
DATA MEMORY
(Read only)
(Read / Write)
0000
7FFF
01FF
0000
EXTRAM=0
INTERNAL
32K ROM
512 bytes
EA=1
On-chip
XRAM
Roll-Over
Roll-Over
RESET@
<0000>
FFFF
0000
FFFF
0200
01FF
8000
EXTRAM=1
EXTERNAL
EXTERNAL
EXTERNAL
EXTERNAL
RD
EA=0
XRAM
XRAM
WR
PSEN
AT83R5122, AT8xC5122/23
Optional
On-Chip 256 bytes RAM
FF
80
7F
01FF
0000
00
Indirect
Addressing
128 Bytes
Upper
INTERNAL
RAM
512 Bytes
E2PROM
128 Bytes
Lower
RAM
FF
80
Direct
Addressing
Space
SFR
29