參數(shù)資料
型號(hào)： MCP2210-I/SO
廠商： Microchip Technology
文件頁(yè)數(shù)： 30/82頁(yè)
文件大小： 0K
描述： IC CONVERTER USB-PCI 20-SOIC
產(chǎn)品培訓(xùn)模塊： MCP2210 Evaluation Kit
標(biāo)準(zhǔn)包裝： 38
應(yīng)用： 帶 GPIO 的 USB 至 SPI 連接器
接口： SPI，USB
電源電壓： 3.3 V ~ 5.5 V
封裝/外殼： 20-SOIC（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 20-SOIC W
包裝： 管件
安裝類型： 表面貼裝
MCP2210
DS22288A-page 36
2011 Microchip Technology Inc.
3.2.2
SET (VM) SPI TRANSFER SETTINGS
TABLE 3-35:
COMMAND 1 STRUCTURE
Byte
Index
Meaning
0
0x40 – Set (VM) SPI Transfer Settings (volatile memory)
1
0x00 – Reserved
2
0x00 – Reserved
3
0x00 – Reserved
4
Bit Rate (Byte 3) – 32-bit value (Byte 0, Byte 1, Byte 2, Byte 3)
Example: Bit rate = 12,000,000 bps = 00B7 1B00
- This byte position will have a value of = 0x00
5
Bit Rate (Byte 2) – 32-bit value (Byte 0, Byte 1, Byte 2, Byte 3)
Example: Bit rate = 12,000,000 bps = 00B7 1B00
- This byte position will have a value of = 0x1B
6
Bit Rate (Byte 1) – 32-bit value (Byte 0, Byte 1, Byte 2, Byte 3)
Example: Bit rate = 12,000,000 bps = 00B7 1B00
- This byte position will have a value of = 0xB7
7
Bit Rate (Byte 0) – 32-bit value (Byte 0, Byte 1, Byte 2, Byte 3)
Example: Bit rate = 12,000,000 bps = 00B7 1B00
- This byte position will have a value of = 0x00
8
Idle Chip Select Value – 16-bit value (low byte):
MSB
–
LSB
CS7 CS6 CS5 CS4 CS3 CS2 CS1 CS0
9
Idle Chip Select Value – 16-bit value (high byte):
MSB
–
LSB
x
CS8
10
Active Chip Select Value – 16-bit value (low byte):
MSB
–
LSB
CS7 CS6 CS5 CS4 CS3 CS2 CS1 CS0
11
Active Chip Select Value – 16-bit value (high byte):
MSB
–
LSB
x
CS8
12
Chip Select to Data Delay (quanta of 100 s) – 16-bit value (low byte)
Example: If we have 500 s delay between the CS being asserted and the first byte of data, the value
will be 0x0005.
- This byte position will have a value of: 0x05
13
Chip Select to Data Delay (quanta of 100 s) – 16-bit value (high byte)
Example: If a 500 s delay between the CS being asserted and the first byte of data is required, the
value will be 0x0005.
- This byte position will have a value of: 0x00
14
Last Data Byte to CS (de-asserted) Delay (quanta of 100 s) – 16-bit value (low byte)
Example: If a 500 s delay between the last data byte sent and the CS being asserted is required, the
value will be 0x0005.
- This byte position will have a value of: 0x05
15
Last Data Byte to CS (de-asserted) Delay (quanta of 100 s) – 16-bit value (high byte)
Example: If a 500 s delay between the last data byte sent and the CS being de-asserted is required,
the value will be 0x0005.
- This byte position will have a value of: 0x00
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