AT89C5130A-RDTUM Atmel, AT89C5130A-RDTUM Datasheet - Page 128
![IC 8051 MCU FLASH 16K USB 64VQFP](/photos/6/81/68127/313-64-vqfp_sml.jpg)
AT89C5130A-RDTUM
Manufacturer Part Number
AT89C5130A-RDTUM
Description
IC 8051 MCU FLASH 16K USB 64VQFP
Manufacturer
Atmel
Series
AT89C513xr
Datasheet
1.AT89C5130A-PUTUM.pdf
(188 pages)
Specifications of AT89C5130A-RDTUM
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
Data Ram Size
1.25 KB
Interface Type
2-Wire, EUART, SPI, USB
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
34
Number Of Timers
16 bit
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
AT89STK-05
Minimum Operating Temperature
- 40 C
Package
64VQFP
Device Core
8051
Family Name
89C
Maximum Speed
48 MHz
For Use With
AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Lead Free Status / Rohs Status
Details
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21.4.3
128
AT89C5130A/31A-M
Bulk/Interrupt IN Transactions in Standard Mode
A NAK handshake is sent by the USB controller only if the banks 0 and 1 has not been released
by the firmware.
If the Host sends more bytes than supported by the endpoint FIFO, the overflow data won’t be
stored, but the USB controller will consider that the packet is valid if the CRC is correct.
Figure 21-9. Bulk/Interrupt IN Transactions in Standard Mode
An endpoint will be first enabled and configured before being able to send Bulk or Interrupt
packets.
The firmware will fill the FIFO with the data to be sent and set the TXRDY bit in the UEPSTAX
register to allow the USB controller to send the data stored in FIFO at the next IN request con-
cerning this endpoint. To send a Zero Length Packet, the firmware will set the TXRDY bit without
writing any data into the endpoint FIFO.
Until the TXRDY bit has been set by the firmware, the USB controller will answer a NAK hand-
shake for each IN requests.
To cancel the sending of this packet, the firmware has to reset the TXRDY bit. The packet stored
in the endpoint FIFO is then cleared and a new packet can be written and sent.
When the IN packet has been sent and acknowledged by the Host, the TXCMPL bit in the UEP-
STAX register is set by the USB controller. This triggers a USB interrupt if enabled. The firmware
will clear the TXCMPL bit before filling the endpoint FIFO with new data.
The firmware will never write more bytes than supported by the endpoint FIFO.
All USB retry mechanisms are automatically managed by the USB controller.
IN
IN
HOST
ACK
DATA0 (n Bytes)
NAK
UFI
TXCMPL
Endpoint FIFO Write Byte 1
Endpoint FIFO Write Byte 1
Endpoint FIFO Write Byte 2
Endpoint FIFO Write Byte n
Clear TXCMPL
Set TXRDY
C51
4337K–USB–04/08
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