AT89C5130A-M Atmel Corporation, AT89C5130A-M Datasheet - Page 20

• Manufacturer Part Number: AT89C5130A-M
• Manufacturer: Atmel Corporation

Specifications of AT89C5130A-M

• Flash (kbytes): 16 Kbytes
• Max. Operating Frequency: 48 MHz
• Cpu: 8051-12C
• Max I/o Pins: 34
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Sram (kbytes): 1.25
• Eeprom (bytes): 1024
• Self Program Memory: API
• Operating Voltage (vcc): 2.7 to 5.5
• Timers: 4
• Isp: UART/USB
• Watchdog: Yes

6. SFR Mapping
20
AT89C5130A/31A-M
The Special Function Registers (SFRs) of the AT89C5130A/31A-M fall into the following
categories:
• C51 core registers: ACC, B, DPH, DPL, PSW, SP
• I/O port registers: P0, P1, P2, P3, P4
• Timer registers: T2CON, T2MOD, TCON, TH0, TH1, TH2, TMOD, TL0, TL1, TL2, RCAP2L,
• Serial I/O port registers: SADDR, SADEN, SBUF, SCON
• PCA (Programmable Counter Array) registers: CCON, CMOD, CCAPMx, CL, CH, CCAPxH,
• Power and clock control registers: PCON
• Hardware Watchdog Timer registers: WDTRST, WDTPRG
• Interrupt system registers: IEN0, IPL0, IPH0, IEN1, IPL1, IPH1
• Keyboard Interface registers: KBE, KBF, KBLS
• LED register: LEDCON
• Two Wire Interface (TWI) registers: SSCON, SSCS, SSDAT, SSADR
• Serial Port Interface (SPI) registers: SPCON, SPSTA, SPDAT
• USB registers: Uxxx (17 registers)
• PLL registers: PLLCON, PLLDIV
• BRG (Baud Rate Generator) registers: BRL, BDRCON
• Flash register: FCON (FCON access is reserved for the Flash API and ISP software)
• EEPROM register: EECON
• Others: AUXR, AUXR1, CKCON0, CKCON1
RCAP2H
CCAPxL (x: 0 to 4)
4337K–USB–04/08