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AS89010 bảng dữ liệu(PDF) 33 Page - ams AG

tên linh kiện AS89010
Giải thích chi tiết về linh kiện  16 bit 4-channel analog-to-digital converter (ADC) with I2C control/output
PDF  42 Pages
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nhà sản xuất  AMSCO [ams AG]
Trang chủ  http://www.ams.com
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AS89010 bảng dữ liệu(HTML) 33 Page - ams AG

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db12348e_V3.11_preliminary_2017-07-06
Page 32 of 41
AS89010
V3.11
Figure 21: Principle program steps of a µC based software to control the converter in CMD and CONT Mode
PowerOn-
RESET
I2C-Read (from MCDC
to RAM):
CREGL, CREGH,
OPTREG, BREAK
Modify in RAM:
Set MODE in CREGH to
01 (=CMD)
Command Measurement Mode
(CMD Mode)
Continuous Measurement Mode
(CONT Mode)
Modify in RAM (if
desired):
R in CREGL
T in CREGL
DIV/ENDIV in CREGH
. . .
I2C-Write (from RAM to
MCDC):
CREGL, CREGH,
OPTREG, BREAK
I2C-Write OSR register:
0x83 (Change to
Measurement state)
Wait for READY signal:
Interrupt or Polling
I2C-Read (from MCDC
to RAM):
Output Register Bank
I2C-Write OSR register:
0x02 (Change to
Configuration state)
yes
PowerOn-
RESET
I2C-Read (from MCDC
to RAM):
CREGL, CREGH,
OPTREG, BREAK
Modify in RAM:
Set MODE in CREGH to
00 (=CONT)
Modify in RAM (if
desired):
R in CREGL
T in CREGL
DIV/ENDIV in CREGH
. . .
I2C-Write (from RAM to
MCDC):
CREGL, CREGH,
OPTREG, BREAK
I2C-Write OSR register:
0x83 (Change to
Measurement state)
Wait for READY signal:
Interrupt or Polling
I2C-Read (from MCDC
to RAM):
Output Register Bank
New
measurement
desired ?
I2C-Write OSR register:
0x02 (Change to
Configuration state)
yes
no
New
settings
desired ?
no
yes
I2C-Write OSR register:
0x02 (Change to
Configuration state)
New
measurement
desired ?
no



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