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參數(shù)資料
| 型號(hào)： | TPIC8300IPWRQ1 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 模擬信號(hào)調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO16 |
| 封裝： | PLASTIC, TSSOP-16 |
| 文件頁數(shù)： | 7/47頁 |
| 文件大小： | 546K |
| 代理商： | TPIC8300IPWRQ1 |
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www.ti.com
SLDS171 – NOVEMBER 2009
Calibration Mode
In calibration mode, microprocessor transmits data to the TPIC83000 in two parts: command frames and data
frames. The data frame immediately follows the command frame. However, unlike Sensor mode, a complete
instruction in Calibration mode needs two command frames and at least two data frames. Calibration mode
consists of four "sub-modes" called Calibration Write, Data Request, Calibration Read, and Mode Select modes.
Furthermore, access to information in the EEPROM and Logic (DSP) registers is dependent upon whether the
device is in Bank or Field addressing mode. Table 9 summarizes the four Calibration Mode command frames.
The following section explains the command and data frames in detail along with the meaning and action of each
bit in these frames.
Table 9. Calibration Mode Profile of Command Frames(1) (2) (3) (4) (5)
POSITION ID
Microprocessor
→IC
PSNID
FLAG
MODE TYPE
DIAG ACKNOWLEDGE
IGNORE
FRAME
DATA NAME
B7 (MSB)
B6
B5
B4
B3
B2
B1
B0 (LSB)
NO.
1
PSNID(1)
PSNID(0)
1
0
DISPSN
ACVOLD
ACVOIN
Data Request
2
PSNID(1)
PSNID(0)
0
NU
RQADCTMP
RQADCDAT
RQTEMP
RQDATA
1
PSNID(1)
PSNID(0)
1
0
DISPSN
NU
Calibration Read
2
PSNID(1)
PSNID(0)
0
Address (5 bit)
1
PSNID(1)
PSNID(0)
1
DISPSN
NU
Calibration Mode Select
2
PSNID(1)
PSNID(0)
0
NU
ACSUNT(6)
ACTMODE(6)
WE
1
PSNID(1)
PSNID(0)
1
0
1
DISPSN
NU
Calibration Write
2
PSNID(1)
PSNID(0)
0
Address (5 bit)
(1)
The request should be ignored when invalid address is received
(2)
Baud rate should be updated after all data is received
(3)
For mode selection request, if WE = 1 and (ACSUNT and ACTMODE) = "old value" , there is no response from IC. Otherwise IC
respond with "old ACSUNT and ACTMODE and WE" data then change mode and/or set WE = 1.
(4)
RQADCTMP: Request 12-bit temperature data
RQADCDAT: Request 14-bit pressure data
RQTEMP: Request 10-bit temperature data
RQDATA: Request 10-bit pressure data
(5)
NU = not used
(6)
All modes should be updated after all data is received.
The command frame profiles are the same in both field and bank addressing modes.
Copyright 2009, Texas Instruments Incorporated
15
Product Folder Link(s): TPIC83000-Q1
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