AT89C5130A-RDRUM Atmel, AT89C5130A-RDRUM Datasheet - Page 124
AT89C5130A-RDRUM
Manufacturer Part Number
AT89C5130A-RDRUM
Description
MCU 8051 16K FLASH USB 64-VQFP
Manufacturer
Atmel
Series
AT89C513xr
Datasheet
1.AT89C5130A-PUTUM.pdf
(188 pages)
Specifications of AT89C5130A-RDRUM
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
16KB (16K 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
64-TQFP, 64-VQFP
Processor Series
AT89x
Core
8051
Data Bus Width
8 bit
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
AT89STK-05
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
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21.3
21.3.1
124
Read/Write Data FIFO
AT89C5130A/31A-M
FIFO Mapping
Table 21-1.
Depending on the selected endpoint through the UEPNUM register, the UEPDATX register
allows to access the corresponding endpoint data fifo.
Endpoint Configuration
Disabled
Control
Bulk-in
Bulk-out
Interrupt-In
Interrupt-Out
Isochronous-In
Isochronous-Out
• Endpoint direction configuration
• Summary of Endpoint Configuration:
• Endpoint FIFO reset
The Endpoint 0 is the Default Control Endpoint and will always be configured in Control type.
For Bulk, Interrupt and Isochronous endpoints, the direction is defined with the EPDIR bit of
the UEPCONX register with the following values:
For Control endpoints, the EPDIR bit has no effect.
Do not forget to select the correct endpoint number in the UEPNUM register before access-
ing to endpoint specific registers.
Before using an endpoint, its FIFO will be reset. This action resets the FIFO pointer to its
original value, resets the byte counter of the endpoint (UBYCTLX and UBYCTHX registers),
and resets the data toggle bit (DTGL bit in UEPCONX).
The reset of an endpoint FIFO is performed by setting to 1 and resetting to 0 the corre-
sponding bit in the UEPRST register.
For example, in order to reset the Endpoint number 2 FIFO, write 0000 0100b then 0000
0000b in the UEPRST register.
Note that the endpoint reset doesn’t reset the bank number for ping-pong endpoints.
– IN:EPDIR = 1b
– OUT:EPDIR = 0b
Summary of Endpoint Configuration
EPEN
0b
1b
1b
1b
1b
1b
1b
1b
EPDIR
Xb
Xb
1b
0b
1b
0b
1b
0b
EPTYPE
XXb
00b
10b
10b
01b
01b
11b
11b
0XXX XXXb
UEPCONX
4337K–USB–04/08
80h
86h
82h
87h
83h
85h
81h
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