參數(shù)資料
型號: CP2104-F03-GM
廠商: Silicon Laboratories Inc
文件頁數(shù): 8/22頁
文件大?。?/td> 0K
描述: IC SGL USB-TO-UART BRIDGE 24QFN
產(chǎn)品培訓(xùn)模塊: CP21xx USB Bridge
標準包裝: 75
應(yīng)用: UART 至 USB 電橋
接口: UART,USB
電源電壓: 1.8V,3 V ~ 3.6 V
封裝/外殼: 24-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 24-QFN(4x4)
包裝: 管件
安裝類型: 表面貼裝
配用: 336-2007-ND - KIT EVAL FOR CP2104
其它名稱: 336-2008-5
CP2104
16
Rev. 1.1
8. One-Time Programmable ROM
The CP2104 includes an internal one-time programmable ROM that may be used to customize the USB Vendor ID
(VID), Product ID (PID), Product Description String, Power Descriptor, Device Release Number, Device Serial
Number, GPIO configuration, Suspend pins, and modes as desired for OEM applications. If the programmable
ROM has not been customized, the default configuration data shown in Table 12 and Table 13 is used.
vendor ID can be obtained from www.usb.org or Silicon Labs can provide a free PID for the OEM product that can
be used with the Silicon Labs VID. Customizing the serial number is also recommended if the OEM application is
one in which it is possible for multiple CP210x-based devices to be connected to the same PC.
The configuration data ROM can be programmed by Silicon Labs prior to shipment with the desired configuration
information. It can also be programmed in-system over the USB interface by adding a capacitor to the PCB. If
configuration ROM is to be programmed in-system, a 4.7 F capacitor must be added between the VPP pin and
ground. No other circuitry should be connected to VPP during a programming operation, and VDD must remain at
3.3 V or higher to successfully write to the configuration ROM.
Table 12. Default USB Configuration Data
Name
Value
Vendor ID
10C4h
Product ID
EA60h
Power Descriptor (Attributes)
80h (Bus-powered)
Power Descriptor (Max. Power)
32h (100 mA)
Release Number
0100h (Release Version 01.00)
Serial Number
Unique 8 character ASCII string (63 characters maximum)
Product Description String
“CP2104 USB to UART Bridge Controller” (126 characters maximum)
Table 13. Default GPIO, UART, and Suspend Configuration Data
Name
Value
GPIO.0
GPIO Input
GPIO.1
GPIO Input
GPIO.2
GPIO Input
GPIO.3
GPIO Input
Flush_Buffers
Flush TX and RX FIFO on open
SUSPEND
Push-pull
SUSPEND
Push-pull
RS-485 Level
Active-High
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