AT89C5131A-L Atmel Corporation, AT89C5131A-L Datasheet - Page 24

• Manufacturer Part Number: AT89C5131A-L
• Manufacturer: Atmel Corporation

Specifications of AT89C5131A-L

• Flash (kbytes): 32 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): 3.0 to 3.6
• Timers: 4
• Isp: UART/USB
• Watchdog: Yes

Table 30. USB SFR’s
Table 31. Other SFR’s
24
Mnemonic
UEPDATX
UBYCTHX
UBYCTLX
UFNUMH
UFNUML
UEPIEN
Mnemonic
CKCON0
CKCON1
LEDCON
EECON
AUXR1
PCON
AUXR
FCON
AT89C5131A-L
Add
CFh
BAh
BBh
C2h
E2h
E3h
Add
AFh
D1h
D2h
87h
8Eh
A2h
8Fh
F1h
Name
USB Endpoint Interrupt
Enable
USB Endpoint X FIFO Data
USB Byte Counter Low (EP
X)
USB Byte Counter High
(EP X)
USB Frame Number Low
USB Frame Number High
Name
Power Control
Auxiliary Register 0
Auxiliary Register 1
Clock Control 0
Clock Control 1
LED Control
Flash Control
EEPROM Contol
FNUM7
BYCT7
FDAT7
7
-
-
-
SMOD1
EEPL3
TWIX2
FPL3
DPU
7
-
-
LED3
EP6INTE
FNUM6
FDAT6
BYCT6
6
SMOD0
-
-
EEPL2
WDX2
FPL2
6
-
-
-
EP5INTE
FNUM5
CRCOK
BYCT5
FDAT5
ENBOOT
5
PCAX2
EEPL1
-
FPL1
M0
5
-
-
LED2
CRCERR
EP4INTE
FNUM4
BYCT4
FDAT4
4
EEPL0
-
FPL0
SIX2
POF
4
-
-
-
EP3INTE
FNUM3
BYCT3
FDAT3
3
XRS1
T2X2
-
-
GF1
GF3
FPS
3
-
-
LED1
EP2INTE
FNUM10
BYCT10
FNUM2
FDAT2
BYCT2
FMOD1
XRS2
T1X2
2
GF0
2
-
-
-
EP1INTE
EXTRAM
FNUM1
FNUM9
BYCT1
BYCT9
FDAT1
FMOD0
T0X2
EEE
1
PD
1
-
-
4338F–USB–08/07
LED0
EEBUSY
EP0INTE
FNUM0
FNUM8
FBUSY
BYCT0
BYCT8
FDAT0
SPIX2
DPS
IDL
0
A0
X2
0