參數(shù)資料
型號： MM908E625ACPEK
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： FLASH, 32 MHz, MICROCONTROLLER, PDSO54
封裝： 5.10 X 10.30 MM, 0.65 MM PITCH, LEAD FREE, SOIC-54
文件頁數(shù)： 22/49頁
文件大?。?/td> 965K
代理商： MM908E625ACPEK
Analog Integrated Circuit Device Data
Freescale Semiconductor
29
908E625
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
Figure 16. Hall-effect Sensor Input Pin Cyclic Check Wake-up Feature
HALL-EFFECT SENSOR INPUT PIN CONTROL
REGISTER (HACTL)
Hall-Effect Sensor Input Pin Enable Bits (H3EN:H1EN)
These read/write bits enable the Hall-effect sensor input
pins. Reset clears the H3EN:H1EN bits.
1 = Hall-effect sensor input pin Hx switched on and
sensed
0 = Hall-effect sensor input pin Hx disabled
HALL-EFFECT SENSOR INPUT PIN STATUS
REGISTER (HASTAT)
Hall-Effect Sensor Input Pin Flag Bits (H3F:H1F)
These read-only flag bits reflect the input Hx while the Hall-
effect sensor input pin Hx is enabled (HxEN = 1). Reset
clears the H3F:H1F bits.
1 = Hall-effect sensor input pin current above threshold
0 = Hall-effect sensor input pin current below threshold
SPI:
AWDCC = 1
GS = 1
STOP
IRQ?
SPI:
Reason for Wakeup
Operate
STOP
MREG
AWD
Timer Overflow?
Switch on
Selected Hallport
Wait 40 s
Hallport = 1
Assert IRQ_A
Yes
No
Yes
No
Yes
No
IR
Q
_
A
=
0
Start
MREG
SPI Command
Switch off
Selected Hallport
MREG = Main Voltage
Regulator
Register Name and Address: HACTL - $08
Bits
7
6
5
4
3
2
1
0
Read
0
H3EN H2EN H1EN
Write
Reset
0
Register Name and Address: HASTAT - $09
Bits
7
6
5
4
3
2
1
0
Read
0
H3F
H2F
H1F
Write
Reset
0
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