MC9S12Q FREESCALE [Freescale Semiconductor, Inc], MC9S12Q Datasheet - Page 259
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MC9S12Q
Manufacturer Part Number
MC9S12Q
Description
Microcontrollers
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC9S12Q.pdf
(644 pages)
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9.3.2.5
This register enables CRG interrupt requests.
Read: anytime
Write: anytime
Freescale Semiconductor
Module Base + 0x0004
LOCKIE
SCMIE
SCMIF
Reset
Field
Field
SCM
RTIE
1
0
7
4
1
W
R
RTIE
Self-Clock Mode Interrupt Flag — SCMIF is set to 1 when SCM status bit changes. This flag can only be
cleared by writing a 1. Writing a 0 has no effect. If enabled (SCMIE=1), SCMIF causes an interrupt request.
0 No change in SCM bit.
1 SCM bit has changed.
Self-Clock Mode Status Bit — SCM reflects the current clocking mode. Writes have no effect.
0 MCU is operating normally with OSCCLK available.
1 MCU is operating in self-clock mode with OSCCLK in an unknown state. All clocks are derived from PLLCLK
Real-Time Interrupt Enable Bit
0 Interrupt requests from RTI are disabled.
1 Interrupt will be requested whenever RTIF is set.
Lock Interrupt Enable Bit
0 LOCK interrupt requests are disabled.
1 Interrupt will be requested whenever LOCKIF is set.
Self-Clock Mode Interrupt Enable Bit
0 SCM interrupt requests are disabled.
1 Interrupt will be requested whenever SCMIF is set.
CRG Interrupt Enable Register (CRGINT)
0
7
running at its minimum frequency f
= Unimplemented or Reserved
0
0
6
Figure 9-8. CRG Interrupt Enable Register (CRGINT)
Table 9-2. CRGFLG Field Descriptions (continued)
Table 9-3. CRGINT Field Descriptions
0
0
5
SCM
MC9S12Q128
.
LOCKIE
Rev 1.09
0
4
Chapter 9 Clocks and Reset Generator (CRGV4) Block Description
Description
Description
0
0
3
0
0
2
SCMIE
0
1
0
0
0
259
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