MM908E622ACDWBR2 FREESCALE [Freescale Semiconductor, Inc], MM908E622ACDWBR2 Datasheet - Page 34

• Manufacturer Part Number: MM908E622ACDWBR2
• Description: Integrated Quad Half-bridge, Triple High Side and EC Glass Driver with Embedded MCU and LIN for High End Mirror
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Temperature Sensor
This sensor offers a voltage which is proportional to the
actual mean chip junction temperature.
VSUP Prescaler
external supply voltage. The output of this voltage is V
RATIO
EC Output
be able to read the actual voltage on the EC pin.
A0 and Multiplexer Control Register (A0MUCTL)
CSON — Current Source on/off
A0CST inputs. Reset clears CSON bit.
CSSEL[1:0] — Current Source Select Bits
A0 or A0CST input. Reset clears CSSEL[1:0] bits.
Table 7. A0 Current Source Level Selection Bits
34
908E622
FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
Reset
Read
Write
CSSEL1
The analog die includes an on chip temperature sensor.
The VSUP prescaler offers a possibility to measure the
The EC output is directly connected to the multiplexer to
This read/write bit enables the current source for the A0 or
These read/write bits select the current source values for
0
0
1
1
1 = Current Source enabled
0 = Current Source disabled
VSUP
CSON
Bit7
0
.
Register Name and Address: A0MUCTL - $08
CSSEL0
CSSEL
0
1
0
1
6
0
1
CSSEL
5
0
0
CSA
Current Source Enable (typ.)
4
0
SS3
3
0
120µA
320µA
800µA
40µA
SS2
2
0
SS1
1
0
SUP
SS0
Bit0
0
/
CSA — H-Bridges Current Sense Amplification Select Bit
of the H-bridges HB1:HB4 current recopy. Reset clears the
CSA bit.
SS[3:0] — Analog Source Input Select Bits
the ADOUT pin. Reset clears the SS[3:0] bits
Table 8. Analog Multiplexer Configuration Bits.
Hall-Effect Sensor Input Pin H0
(H0MS = 0), or as hall-effect sensor input (H0MS = 1), to be
able to read 3pin / 2pin hall sensors or switches.
SS3
This read/write bit selects the current sense amplification
These read/write bits selects the analog input source for
The H0 pin can be configured as general purpose input
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1 = low current sense amplification
0 = high current sense amplification
SS2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
SS1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Analog Integrated Circuit Device Data
SS0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Freescale Semiconductor
current recopy HB1
current recopy HB2
current recopy HB3
current recopy HB4
current recopy HS1
current recopy HS2
current recopy HS3
Chip temperature
VSUP prescaler
Pin A0CST
not used
not used
not used
not used
Channel
Pin EC
Pin A0