Queued Serial Multi-Channel Module
MPC561/MPC563 Reference Manual, Rev. 1.2
Freescale Semiconductor
15-9
15.4.7
QSMCM Test Register (QTEST)
The QTEST register is used for factory testing of the MCU.
15.4.8
QSMCM Interrupt Level Registers (QDSCI_IL, QSPI_IL)
The QDSCI_ILI and QSPI_IL registers determine the interrupt level requested by the QSMCM. The two
SCI submodules (DSCI) share a 5-bit interrupt level field, ILDSCI. The QSPI uses a separate field,
ILQSPI. The level value is used to determine which interrupt is serviced first when two or more modules
or external peripherals simultaneously request an interrupt. The user can select among 32 levels. This
register can be accessed only when the CPU is in supervisor mode.
Table 15-4. QSMCMMCR Bit Descriptions
Bits
Name
Description
0
STOP
Stop enable. Refer to
Section 15.4.1, “Low-Power Stop Operation
.”
0 Normal clock operation
1 Internal clocks stopped
1
FRZ1
Freeze1 bit. Refer to
Section 15.4.2, “Freeze Operation
0 Ignore the FREEZE signal
1 Halt the QSMCM (on transfer boundary)
2:7
—
Reserved
8
SUPV
Supervisor / Unrestricted. Refer to
Section 15.4.3, “Access Protection
.”
0 Assigned registers are unrestricted (user access allowed)
1 Assigned registers are restricted (only supervisor access allowed)
9:11
—
Reserved
12:15
—
Reserved. These bits are used for the IARB (interrupt arbitration ID) field in QSM
implementations that use hardware interrupt arbitration.
MSB
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
LSB
15
Field
—
ILDSCI
—
SRESET
0000_0000_0000_0000
Addr
0x30 5004
Figure 15-5. QSM2 Dual SCI Interrupt Level Register (QDSCI_IL)
Table 15-5. QDSCI_IL Bit Descriptions
Bits
Name
Description
0:2
—
Reserved
3:7
ILDSCI
Interrupt level of Dual SCIs
00000lowest interrupt level request (level 0)
11111highest interrupt level request (level 31)
8:15
—
Reserved
Summary of Contents for MPC561
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Page 144: ...Signal Descriptions MPC561 MPC563 Reference Manual Rev 1 2 2 46 Freescale Semiconductor...
Page 206: ...Central Processing Unit MPC561 MPC563 Reference Manual Rev 1 2 3 62 Freescale Semiconductor...
Page 302: ...Reset MPC561 MPC563 Reference Manual Rev 1 2 7 14 Freescale Semiconductor...
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Page 1144: ...Internal Memory Map MPC561 MPC563 Reference Manual Rev 1 2 B 34 Freescale Semiconductor...
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