MM908E625ACEK Freescale Semiconductor, MM908E625ACEK Datasheet - Page 30

• Manufacturer Part Number: MM908E625ACEK
• Description: IC HALF-BRIDGE QUAD 54-SOIC
• Manufacturer: Freescale Semiconductor

Specifications of MM908E625ACEK

• Applications: Automotive Mirror Control
• Core Processor: HC08
• Program Memory Type: FLASH (16 kB)
• Controller Series: 908E
• Ram Size: 512 x 8
• Interface: SCI, SPI
• Number Of I /o: 13
• Voltage - Supply: 8 V ~ 18 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 54-SOIC (7.5mm Width) Exposed Pad, 54-eSOIC, 54-HSOIC
• Data Bus Width: 8 bit
• Program Memory Size: 16 KB
• Data Ram Size: 512 B
• Number Of Programmable I/os: 16
• Operating Supply Voltage: 8 V to 18 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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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