參數(shù)資料
型號: A42MX16-2CQ100A
廠商: Electronic Theatre Controls, Inc.
英文描述: 40MX and 42MX FPGA Families
中文描述: 40MX和42MX FPGA系列
文件頁數(shù): 25/120頁
文件大?。?/td> 854K
代理商: A42MX16-2CQ100A
120
4958B–AUTO–11/10
Atmel ATA6285/ATA6286 [Preliminary]
Additionally a motion sensor interrupt signal (SENINT) can be enabled if the MSIE bit in the
SIMSK register is set (one). The corresponding Interrupt Vector is executed if MSENF bit in
SSFR register is set (one).
The internal reference voltage V
Ref is programmable via the 8-bit calibration register (MSVCAL).
Figure 3-57. Motion Sensor Interface Unit
This system of a capacitive voltage divider in combination with the low power Timer0, minimize
the power consumption during motion measurement polling, see Section 5.2 “Operating Charac-
3.15.1.1
Motion Sensor Voltage Calibration Register – MSVCAL
Bits 7..0 - VRCAL7..0: Voltage Reference CALibration Value
The Voltage Reference Calibration Register is used to trim the internal voltage reference V
Ref for
the motion comparator threshold level.
-
+
S
ta
te
M
a
chine
Voltage
Reference
8-bit Calibration
Register
CLKSEN
S2 (CEX2)
CRef
CM
VCC
VSEN
VRef
SMEN
MSVCAL (7...0)
Sensor
MSENO
MSENOS
SENINT
MSIE
Bit
76
54
32
10
VRCAL7 VRCAL6 VRCAL5 VRCAL4 VRCAL3 VRCAL2 VRCAL1 VRCAL0 MSVCAL
Read/Write
R/WR/W
Initial Value
00
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