UPD72012中文資料瑞薩數(shù)據(jù)手冊PDF規(guī)格書
UPD72012規(guī)格書詳情
The μPD72012 is a dedicated LSI for a HUB connected to a universal serial bus (USB) system. It is an upgrade of NEC’s μPD72011. It complies with USB specification revision 1.1. By putting descriptors into ROM, information such as a user’s vendor ID can be implemented in the chip.
FEATURES
? Compliant with Chapter 11 (HUB Specifications) of USB Specification 1.1.
? Descriptors into ROM
? The user can customize the vendor ID and product ID by using Mask ROM option.
? Supports 5 kinds of string descriptors (for Mask ROM code product only)
? On-chip sequencer
? There is an on-chip descriptor and request response sequencer. External initial setup and control is not needed and HUB functions can be realized using only the μPD72012.
? Downstream ports
? Four or five ports can be selected using a pin function.
? Power modes
? Bus power or self-power can be selected using a pin function (an external power control circuit is required).
? Corresponds to standard descriptor products
? Two kinds of standard ROM code products are provided. Standard and HUB class descriptors are on-chip in the μPD72012.
ROM code: 003 (individual overcurrent monitoring type Generic HUB)
ROM code: 004 (collective overcurrent monitoring type Generic HUB)
? Supports two kinds of clock input
? 48 MHz oscillator input or a 4 MHz crystal resonator can be supported
? Power control
? Port power control and overcurrent detection functions are on-chip. Individual port control or collective control can be selected for these.
產(chǎn)品屬性
- 型號:
UPD72012
- 制造商:
NEC Electronics Corporation
- 功能描述:
IC CONTROLLER USB SMD TQFP100
供應商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
---|---|---|---|---|---|---|---|
NEC |
22+ |
QFP-44/450PC |
52590 |
全新原裝現(xiàn)貨!自家?guī)齑? |
詢價 | ||
NEC |
20+ |
QFP |
500 |
樣品可出,優(yōu)勢庫存歡迎實單 |
詢價 | ||
NEC |
2020+ |
QFP |
4500 |
百分百原裝正品 真實公司現(xiàn)貨庫存 本公司只做原裝 可 |
詢價 | ||
NEC |
24+ |
QFP |
15300 |
公司常備大量原裝現(xiàn)貨,可開13%增票! |
詢價 | ||
NEC |
24+ |
QFP |
3565 |
絕對全新原裝公司現(xiàn)貨熱賣! |
詢價 | ||
NEC |
25+ |
TQFP |
4500 |
全新原裝、誠信經(jīng)營、公司現(xiàn)貨銷售! |
詢價 | ||
NEC |
2005+ |
TQFP-100 |
59827 |
原裝現(xiàn)貨海量庫存歡迎咨詢 |
詢價 | ||
NEC |
23+ |
QFP-44 |
8890 |
價格優(yōu)勢/原裝現(xiàn)貨/客戶至上/歡迎廣大客戶來電查詢 |
詢價 | ||
NEC |
24+ |
QFP48 |
5989 |
公司原廠原裝現(xiàn)貨假一罰十!特價出售!強勢庫存! |
詢價 | ||
NEC |
00+ |
QFP-44/450PCS |
6000 |
絕對原裝自己現(xiàn)貨 |
詢價 |
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