Datasheet 搜索 > USB控制器 > Microchip（微芯） > MCP2221T-I/ST 数据手册 > MCP2221T-I/ST 数据手册 6/80 页
器件3D模型￥ 18.524
MCP2221T-I/ST 数据手册 - Microchip（微芯）
制造商:
Microchip（微芯）
分类:
USB控制器
封装:
TSSOP-14
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P3P18Hot
原理图在P2
标记信息在P65
封装信息在P65P67P68P70P71P72P74P77
功能描述在P3P23P24P25P26P27P28P29P30P32P33P34
技术参数、封装参数在P61P63P64
导航目录
MCP2221T-I/ST数据手册
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若手册格式错乱，请下载阅览PDF原文件
MCP2221
DS20005292B-page 6 2015 Microchip Technology Inc.
1.4.2 CHIP SETTINGS MAP
The Chip Settings area resides in Flash memory and is
copied into SRAM at run time. Not all of the device’s
settings can be altered at run time. All the fields in the
Flash settings can be altered by the user.
TABLE 1-3: CHIP SETTINGS MAP
Byte
Index
Register Name Comments
0 CHIPSETTING0 Controls the USB CDC serial number enumeration, default state for the GP LED
designation, default state for GP dedicated-function pins and chip settings
protection level
1 CHIPSETTING1 Default clock output divider and duty cycle
2 CHIPSETTING2 DAC reference options and default DAC value
3 CHIPSETTING3 ADC reference and interrupt detection settings
4 USBVIDL USB VID lower byte
5 USBVIDH USB VID higher byte
6 USBPIDL USB PID lower value
7 USBPIDH USB PID higher byte
8 USBPWRATTR USB power attributes
9 USBREQCRT USB required current
10 PASS0 Password byte 0
11 PASS1 Password byte 1
12 PASS2 Password byte 2
13 PASS3 Password byte 3
14 PASS4 Password byte 4
15 PASS5 Password byte 5
16 PASS6 Password byte 6
17 PASS7 Password byte 7
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