AT89C5122D-PSTUM Atmel, AT89C5122D-PSTUM Datasheet - Page 27

• Manufacturer Part Number: AT89C5122D-PSTUM
• Description: IC 8051 MCU FLASH 32K 64QFN
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C5122D-PSTUM

• 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-QFN
• For Use With: AT89STK-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: -

Figure 12. AT8xC5122’s CRAM and E2PROM Versions
4202F–SCR–07/2008
FFFF
8000
(E2PROM version)
DATA MEMORY
(Read / Write)
PROGRAM
MEMORY
(Read/Write)
INTERNAL
E2PROM
32K
Reset@
01FF
0000
<F800>
FFFF
7FFF
0000
8000
Roll-Over
EXTRAM=0
512 bytes
(Read/Write)
ENBOOT=1
(Read Only)
On-chip
INTERNAL
INTERNAL
XRAM
CRAM
ROM
32K
32K
EA = 1
Roll-Over
FFFF
0000
0200
01FF
FFFF
8000
EXTRAM=1
EXTERNAL
EXTERNAL
EXTERNAL
ENBOOT=0
PROGRAM
RD
MEMORY
XRAM
XRAM
AT83R5122, AT8xC5122/23
32K
WR
PSEN
On-Chip 256 bytes RAM
Optional
(applicable only to CRAM version)
FF
80
7F
00
01FF
0000
Indirect
Addressing
128 Bytes
Reset@ <0000>
Upper
RAM
INTERNAL
512 Bytes
E2PROM
128 Bytes
Lower
RAM
FF
80
EA = 0
Direct
Addressing
EXTERNAL
PROGRAM
MEMORY
Space
SFR
PSEN
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