MM912F634DV1AE Freescale Semiconductor, MM912F634DV1AE Datasheet - Page 73
MM912F634DV1AE
Manufacturer Part Number
MM912F634DV1AE
Description
16-bit Microcontrollers - MCU DUAL LS/HS SWITCH W. LIN
Manufacturer
Freescale Semiconductor
Datasheet
1.MM912G634DV1AE.pdf
(338 pages)
Specifications of MM912F634DV1AE
Rohs
yes
Core
HCS12
Processor Series
MM912F634
Data Bus Width
16 bit
Maximum Clock Frequency
20 MHz
Program Memory Size
32 KB
Data Ram Size
2 KB
On-chip Adc
Yes
Operating Supply Voltage
4.5 V to 5.5 V
Operating Temperature Range
- 40 C to + 105 C
Package / Case
LQFP-48
Mounting Style
SMD/SMT
A/d Bit Size
10 bit
A/d Channels Available
15
Interface Type
SPI
Maximum Operating Temperature
+ 105 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
6
Number Of Timers
1
Program Memory Type
Flash
Supply Voltage - Max
5.5 V
Supply Voltage - Min
4.5 V
Available stocks
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Manufacturer
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Price
Part Number:
MM912F634DV1AE
Manufacturer:
FREESCALE
Quantity:
20 000
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Functional Description and Application Information
4.8
To wake-up the MM912F634 analog die from Stop or Sleep mode, several wake-up sources are implemented. As described in
Section 4.3, “Modes of
transition to Normal mode. A wake-up from Sleep mode will result in a transition to Reset mode. In any case, the source of the
wake-up can be identified by reading the Wake-up Source Register (WSR). The Wake-up Source Register (WSR) has to be read
after a wake-up condition in order to execute a new STOP mode command. Two base clock cycles (f
between the WSR read and MCR write.
In general, there are the following seven main wake-up sources:
4.8.1
4.8.1.1
Any state digital change on a Wake-up Enabled Lx input will issue a wake-up. In order to select and activate a Wake-up Input
(Lx), the Wake-up Control Register (WCR) must be configured with appropriate LxWE inputs enabled or disabled before entering
low power mode. The Lx - Wake-up may be combined with the Forced Wake-up.
Note: Selecting a Lx Input for wake-up will disable a selected analog input once entering low power mode.
Freescale Semiconductor
•
•
•
•
•
•
•
Wake-up by a state change of one of the Lx inputs
Wake-up by a state change of one of the Lx inputs during a cyclic sense
Wake-up due to a forced wake-up
Wake-up by the LIN module
Wake-up by D2D interface (Stop mode only)
Wake-up due to internal / external Reset (Stop mode only)
Wake-up due to loss of supply voltage (Sleep mode only)
Wake-up / Cyclic Sense
Wake-up Sources
Lx - Wake-up (Cyclic Sense Disabled)
D2DCLK
D2DINT
D2D3
D2D2
D2D1
D2D0
Operation", a wake-up from Stop mode will result in an interrupt (D2DINT) to the MCU combined with a
Wake Up
D2D
Wake Up
Module
Figure 20. Wake-up Sources
Wake Up
Forced
LIN Wake Up
Lx – Wake Up
Cyclic Wake Up
Cyclic Sense / Forced
Wake Up Timer
HS1
HS2
LIN
L0
L1
L2
L3
L4
L5
BASE
Wake-up / Cyclic Sense
LIN Bus
V
) delay are required
SUP
MM912F634
73
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