AT89C5122D-PSTUM Atmel, AT89C5122D-PSTUM Datasheet - Page 31

• 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: -

Special Function
Registers (SFR’s)
Introduction
4202F–SCR–07/2008
The Special Function Registers (SFRs) of the AT8xC5122/23 can be ranked into the fol-
lowing categories:
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C51 Core Registers: ACC, B, DPH, DPL, PSW, SP
System Configuration Registers: PCON, CKRL, CKCON0, CKCON1, CKSEL,
PLLCON, PLLDIV, AUXR, AUXR1, RCON
I/O Port Registers: P0, P1, P2, P3, P4, P5, PMOD1, PMOD2
Timer Registers: TCON, TH0, TH1, TMOD, TL0, TL1
Watchdog (WD) Registers: WDTRST, WDTPRG
Serial I/O Port Registers: SADDR, SADEN, SBUF, SCON
Baud Rate Generator (BRG) Registers: BRL, BDRCON
System Interrupt Registers: IE0, IPL0, IPH0, IE1, IPL1, IPH1
Smart Card Interface (SCI) Registers: SCSR, SCCON/SCETU0, SCISR/SCETU1,
SCIER/SCIIR, SCIBUF, SCGT0/SCWT0, SCGT1/SCWT1, SCICR/SCWT2, SCICLK
DC/DC Converter Registers: DCCKPS
Keyboard Interface Registers: KBE, KBF, KBLS
Serial Port Interface (SPI) Registers: SPCON, SPSTA, SPDAT
Universal Serial Bus (USB) Registers:USBCON, USBADDR, USBINT, USBIEN,
UEPNUM, UEPCONX, UEPSTAX, UEPRST, UEPINT, UEPIEN, UEPDATX,
UBYCTX, UFNUML, UFNUMH
LED Controller Registers: LEDCON0, LEDCON1
AT83R5122, AT8xC5122/23
31