參數(shù)資料
型號(hào)： AK5371AVQ
廠商： Asahi Kasei Microsystems Co.,Ltd
英文描述： 2ch A/D Converter with USB I/F
中文描述： 2通道的A / D轉(zhuǎn)換器的USB我/女
文件頁(yè)數(shù)： 13/32頁(yè)
文件大小： 317K
代理商： AK5371AVQ
13
MS0103-E-00
MS0546-E-00
ASAHI KASEI
[AK5371A]
2007/02
EEPROM I/F
The AK5371A has EEPROM I/F for customizing Device Descriptor, and String Descriptor. idVendor(2byte), idProduct(2byte),
bcdDevice(2byte), iManufacturer(1byte), iProduct(1byte) in Device Descriptor and related String Descriptor can be customized.
M
icrowire
TM
type, 1K bit, 2K bit, or 4K bit EEPROM can be used. Note that word length of iManufacterer and
iProduct is fixed to 52 bytes each for 1K bit EEPROM, 102 bytes for 2K/4K bit EEPROM.
The AK5371A automatically reads Device Descriptor from the EEPROM and stores internal memory after USB reset.
When the AK5371A receives
“
GET String Descriptor" request, the AK5371A starts reading from EEPROM. The AK5371A
continues to send NAK packet while it is reading String from EEPROM.
Memory mapping of EEPROM is the following.
1K bit
(AK93C45A)
Device Descriptor (18 bytes)
00h - 08h
String Descriptor Lang ID (4 bytes index = 0)
09h - 0Ah
String Descriptor iManufacturer (52 or 102bytes index =1)
0Bh - 24h
String Descriptor iProduct (52 or 102 bytes index = 2)
25h - 3Eh
Note that EEPROM address is 16bit boundary.
If 2K/4K bit EEPROM is used, EPSEL pin should be tied to VD. if 1K bit EEPROM is connected to the device, EPSEL should be
tied to VSS1.
Device Descriptor and String Descriptor should be stored in EEPROM before the AK5371A is powered up. EPEN pin should be tied
to "H" to activate if Descriptors are read from external EEPROM.
If internal ROM is used, not only EPEN pin but also EPSEL pin should be tied to VSS1. Note that
CS pin, SK pin, and EPAO
pin are Hi-Z state
when EPEN is
“
L
”
. EPDI pin is internally pulled down.
2K/4K bit
(AK93C55A / 65A)
00h - 08h
09h - 0Ah
0Bh - 3Dh
3Eh - 71h
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK5371AVQP 功能描述:IC ADC STER W/USB 16BIT 48LQFP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 類型:數(shù)據(jù)采集系統(tǒng)（DAS） 分辨率（位）:16 b 采樣率（每秒）:21.94k 數(shù)據(jù)接口:MICROWIRE?，QSPI?，串行，SPI? 電壓電源:模擬和數(shù)字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:40-TQFN-EP（6x6） 包裝:托盤(pán)
AK5371VQ 制造商:AKM 制造商全稱:AKM 功能描述:2CH A/D CONVERTER WITH USB I/F
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AK5373EQ 制造商:AKM 制造商全稱:AKM 功能描述:24-bit Stereo ADC with USB Interface
AK5374 制造商:AKM 制造商全稱:AKM 功能描述:24-bit Stereo ADC with USB Interface
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