AT89C5131A-RDTIM Atmel, AT89C5131A-RDTIM Datasheet - Page 12
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AT89C5131A-RDTIM
Manufacturer Part Number
AT89C5131A-RDTIM
Description
C5131A 32K FLASH USB VQFP64 IND, 5V
Manufacturer
Atmel
Datasheet
1.AT89C5131A-RDTIM.pdf
(176 pages)
- Current page: 12 of 176
- Download datasheet (3Mb)
SFR Mapping
12
AT89C5131
The Special Function Registers (SFRs) of the AT89C5131 fall into the following
categories:
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•
•
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•
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•
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•
•
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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, RCAP2H
Serial I/O port registers: SADDR, SADEN, SBUF, SCON
PCA (Programmable Counter Array) registers: CCON, CMOD, CCAPMx, CL, CH,
CCAPxH, CCAPxL (x: 0 to 4)
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
4136C–USB–04/05
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