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FT4222HQ-R
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FT4222HQ-R数据手册
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Copyright © 2008 Future Technology Devices International Limited 3
Document Reference No.: FT_000078
FTDI Device EEPROM Programming Using a Vinculum VNC1L Application Note AN_105
Version 1.00
Clearance No.:
FTDI# 59
1.2 Acronyms and Abbreviations
Terms Description
VID USB Vendor ID
PID USB Product ID
EEPROM Electrically Erasable Programmable Read-Only Memory
UART Universal Asynchronous Receiver/Transmitter
TTL Voltage levels between 0V and 5V
<-> Connection between two pins
ROM Read Only Memory
FTD Re-flash file extension
Monitor
Command line interface which allows instructions to be given to the VNC1L and
responses to be returned.
LSB
Least Significant Byte is shown first when representing a multi-byte number as a
sequence of bytes. For example, the number 0x55AAFF00 is stored or specified
as 4 bytes 0x00, 0xFF, 0xAA, and 0x55.
MSB
Most Significant Byte is shown first when representing a multi-byte number as a
sequence of bytes. For example, the number 0x55AAFF00 is stored or specified
as 4 bytes 0x55, 0xAA, 0xFF, and 0x00.
FTxxx Refers to the FT232R, FT245R, FT232B, FT245B and FT2232D/L/C chips.
DLL Dynamically Linked Library
NDA Non-disclosure Agreement
Table 1.1 Acronyms and Abbreviations

FT4222HQ-R 数据手册

FTDI Chip(飞特帝亚)
49 页 / 2.04 MByte
FTDI Chip(飞特帝亚)
51 页 / 0.75 MByte
FTDI Chip(飞特帝亚)
21 页 / 0.35 MByte
FTDI Chip(飞特帝亚)
47 页 / 1.44 MByte
FTDI Chip(飞特帝亚)
17 页 / 0.88 MByte
FTDI Chip(飞特帝亚)
1 页 / 0.15 MByte

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