AT89C5131A-L Atmel Corporation, AT89C5131A-L Datasheet - Page 146

• 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

146
AT89C5131A-L
Table 104. UEPIEN Register
UEPIEN (S:C2h)
USB Endpoint Interrupt Enable Register
Reset Value = 00h
Bit Number
7
-
7
6
5
4
3
2
1
0
Mnemonic Description
EP6INTE
EP6INTE
EP5INTE
EP4INTE
EP3INTE
EP2INTE
EP1INTE
EP0INTE
Bit
6
-
Reserved
The value read from this bit is always 0. Do not set this bit.
Endpoint 6 Interrupt Enable
Set this bit to enable the interrupts for this endpoint.
Clear this bit to disable the interrupts for this endpoint.
Endpoint 5 Interrupt Enable
Set this bit to enable the interrupts for this endpoint.
Clear this bit to disable the interrupts for this endpoint.
Endpoint 4 Interrupt Enable
Set this bit to enable the interrupts for this endpoint.
Clear this bit to disable the interrupts for this endpoint.
Endpoint 3 Interrupt Enable
Set this bit to enable the interrupts for this endpoint.
Clear this bit to disable the interrupts for this endpoint.
Endpoint 2 Interrupt Enable
Set this bit to enable the interrupts for this endpoint.
Clear this bit to disable the interrupts for this endpoint.
Endpoint 1 Interrupt Enable
Set this bit to enable the interrupts for this endpoint.
Clear this bit to disable the interrupts for this endpoint.
Endpoint 0 Interrupt Enable
Set this bit to enable the interrupts for this endpoint.
Clear this bit to disable the interrupts for this endpoint.
EP5INTE
5
EP4INTE
4
EP3INTE
3
EP2INTE
2
EP1INTE
1
4338F–USB–08/07
EP0INTE
0