AT89C5132 Atmel Corporation, AT89C5132 Datasheet - Page 79

• Manufacturer Part Number: AT89C5132
• Manufacturer: Atmel Corporation

Specifications of AT89C5132

• Flash (kbytes): 64 Kbytes
• Max. Operating Frequency: 20 MHz
• Cpu: 8051-12C
• Max I/o Pins: 44
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Uart: 1
• Adc Channels: 2
• Adc Resolution (bits): 10
• Adc Speed (ksps): 22.7
• Sram (kbytes): 2.25
• Self Program Memory: API
• Operating Voltage (vcc): 2.7 to 3.6
• Timers: 2
• Isp: UART/USB
• Watchdog: Yes

4173E–USB–09/07
Reset Value = 0000 0000b
Table 66. UEPDATX Register
UEPDATX (S:CFh) – USB Endpoint X FIFO Data Register (X = EPNUM set in UEPNUM)
Reset Value = XXh
Table 67. UBYCTLX Register
UBYCTX (S:E2h) – USB Endpoint X Byte Count Register (X = EPNUM set in UEPNUM)
Reset Value = 0000 0000b
Number
Number
Number
FDAT7
7 - 4
7 - 0
6-0
Bit
Bit
Bit
3
2
1
0
7
7
7
-
Mnemonic Description
Mnemonic Description
Mnemonic Description
EP3INTE
EP2INTE
EP1INTE
EP0INTE
FDAT7:0
BYCT7:0
BYCT6
FDAT6
Bit
Bit
Bit
6
6
-
-
Reserved
The values read from these Bits are always 0. Do not set these Bits.
Endpoint 3 Interrupt Enable Bit
Set to enable the interrupts for endpoint 3.
Clear to disable the interrupts for endpoint 3.
Endpoint 2 Interrupt Enable Bit
Set to enable the interrupts for endpoint 2.
Clear this bit to disable the interrupts for endpoint 2.
Endpoint 1 Interrupt Enable Bit
Set to enable the interrupts for the endpoint 1.
Clear to disable the interrupts for the endpoint 1.
Endpoint 0 Interrupt Enable Bit
Set to enable the interrupts for the endpoint 0.
Clear to disable the interrupts for the endpoint 0.
Endpoint X FIFO Data
Data byte to be written to FIFO or data byte to be read from the FIFO, for the
Endpoint X (see EPNUM).
Reserved
The values read from this Bits are always 0. Do not set this bit.
Byte Count
Byte count of a received data packet. This byte count is equal to the number of
data Bytes received after the Data PID.
BYCT5
FDAT5
5
5
BYCT4
FDAT4
4
4
FDAT3
BYCT3
3
3
BYCT2
FDAT2
2
2
AT89C5132
BYCT1
FDAT1
1
1
BYCT0
FDAT0
0
0
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