mm908e625 Freescale Semiconductor, Inc, mm908e625 Datasheet - Page 30

• Manufacturer Part Number: mm908e625
• Description: Integrated Quad Half H-bridge With Power Supply, Embedded Mcu, And Lin Serial Communication
• Manufacturer: Freescale Semiconductor, Inc

HALL-EFFECT SENSOR INPUT PIN CONTROL
REGISTER (HACTL)
pins. Reset clears the H3EN:H1EN bits.
30
Hall-Effect Sensor Input Pin Enable Bits (H3EN:H1EN)
908E625
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
Reset
Write
Read
Bits
These read/write bits enable the Hall-effect sensor input
0
0
7
Register Name and Address: HACTL - $08
6
0
0
No
5
0
0
MREG = Main Voltage
Figure 16. Hall-Effect Sensor Input Pin Cyclic Check Wake-Up Feature
Reason for Wakeup
Regulator
4
0
0
AWDCC = 1
Operate
GS = 1
STOP
IRQ?
SPI:
SPI:
3
0
0
Yes
H3EN H2EN H1EN
2
0
1
0
0
0
SPI Command
Assert IRQ_A
• 1 = Hall-effect sensor input pin Hx switched on and
• 0 = Hall-effect sensor input pin Hx disabled
sensed
Yes
No
Selected Hallport
Selected Hallport
Timer Overflow?
Analog Integrated Circuit Device Data
Hallport = 1
Wait 40 µs
Switch on
Switch off
MREG
STOP
AWD
No
Yes
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