AT89C5131A-S3SIM Atmel, AT89C5131A-S3SIM Datasheet - Page 142

• Manufacturer Part Number: AT89C5131A-S3SIM
• Description: IC 8051 MCU FLASH 32K USB 52PLCC
• Manufacturer: Atmel
• Series: AT89C513xr

Specifications of AT89C5131A-S3SIM

• Core Processor: C52X2
• Core Size: 8-Bit
• Speed: 48MHz
• Connectivity: I²C, SPI, UART/USART, USB
• Peripherals: LED, POR, PWM, WDT
• Number Of I /o: 34
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 52-PLCC
• For Use With: AT89STK-10 - KIT EVAL APPL MASS STORAGEAT89STK-05 - KIT STARTER FOR AT89C5131
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -

142
AT89C5130A/31A-M
Table 21-6.
Reset Value = 80h
Table 21-7.
Reset Value = 00h
Bit Number
Bit Number
FEN
6-0
7-4
3-0
7
7
7
-
Mnemonic
UADD[6:0]
Bit Mnemonic
USBADDR Register
USBADDR (S:C6h)
USB Address Register
UEPNUM Register
UEPNUM (S:C7h)
USB Endpoint Number
UADD6
EPNUM[3:0]
FEN
Bit
6
6
-
-
Description
Function Enable
Set this bit to enable the address filtering function.
Cleared this bit to disable the function.
USB Address
This field contains the default address (0) after power-up or USB bus reset.
It will be written with the value set by a SET_ADDRESS request received by the device
firmware.
UADD5
Description
Reserved
The value read from these bits is always 0. Do not set these bits.
Endpoint Number
Set this field with the number of the endpoint which will be accessed when reading
or writing to, UEPDATX Register UEPDATX (S:CFh) USB FIFO Data Endpoint X (X
= EPNUM set in UEPNUM Register UEPNUM (S:C7h) USB Endpoint Number),
UBYCTLX Register UBYCTLX (S:E2h) USB Byte Count Low Register X (X =
EPNUM set in UEPNUM Register UEPNUM (S:C7h) USB Endpoint Number),
UBYCTHX Register UBYCTHX (S:E3h) USB Byte Count High Register X (X =
EPNUM set in UEPNUM Register UEPNUM (S:C7h) USB Endpoint Number) or
UEPCONX Register UEPCONX (S:D4h) USB Endpoint X Control Register. This
value can be 0, 1, 2, 3, 4, 5 or 6.
5
5
-
UADD4
4
4
-
EPNUM3
UADD3
3
3
EPNUM2
UADD2
2
2
EPNUM1
UADD1
1
1
4337K–USB–04/08
EPNUM0
UADD0
0
0