參數(shù)資料
型號(hào): AT89C5131A-RDTUM
廠商: Atmel
文件頁數(shù): 25/176頁
文件大?。?/td> 0K
描述: IC 8051 MCU FLASH 32K USB 64VQFP
產(chǎn)品培訓(xùn)模塊: MCU Product Line Introduction
標(biāo)準(zhǔn)包裝: 800
系列: AT89C513x
核心處理器: C52X2
芯體尺寸: 8-位
速度: 48MHz
連通性: I²C,SPI,UART/USART,USB
外圍設(shè)備: LED,POR,PWM,WDT
輸入/輸出數(shù): 34
程序存儲(chǔ)器容量: 32KB(32K x 8)
程序存儲(chǔ)器類型: 閃存
EEPROM 大?。?/td> 4K x 8
RAM 容量: 1.25K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 64-LQFP
包裝: 托盤
配用: AT89STK-10-ND - KIT EVAL APPL MASS STORAGE
AT89STK-05-ND - KIT STARTER FOR AT89C5131
118
AT89C5131
4136C–USB–04/05
Configuration
General Configuration
USB controller enable
Before any USB transaction, the 48 MHz required by the USB controller must be
The USB controller will be then enabled by setting the EUSB bit in the USBCON
register.
Set address
After a Reset or a USB reset, the software has to set the FEN (Function Enable) bit
in the USBADDR register. This action will allow the USB controller to answer to the
requests sent at the address 0.
When a SET_ADDRESS request has been received, the USB controller must only
answer to the address defined by the request. The new address will be stored in the
USBADDR register. The FEN bit and the FADDEN bit in the USBCON register will
be set to allow the USB controller to answer only to requests sent at the new
address.
Set configuration
T he C O N F G bit in the U SBCO N r e g i ster ha s t o be set a fte r a
SET_CONFIGURATION request with a non-zero value. Otherwise, this bit has to be
cleared.
Endpoint Configuration
Selection of an Endpoint
The endpoint register access is performed using the UEPNUM register. The
registers
–UEPSTAX
UEPCONX
–UEPDATX
–UBYCTLX
UBYCTHX
These registers correspond to the endpoint whose number is stored in the UEP-
NUM register. To select an Endpoint, the firmware has to write the endpoint number
in the UEPNUM register.
Figure 57. Endpoint Selection
UEPNUM
Endpoint 0
Endpoint 6
UEPSTA0
UEPCON0
UEPDAT0
UEPSTA6
UEPCON6
UEPDAT6
0
1
2
3
4
5
6
SFR registers
UEPSTAX
UEPCONX
UEPDATX
X
UBYCTH0
UBYCTL0
UBYCTH6
UBYCTL6
UBYCTHX
UBYCTLX
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