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Media Local Bus (MLB)
PXN20 Microcontroller Reference Manual, Rev. 1
27-48
Freescale Semiconductor
27.5.5
System Interrupts
Figure 27-31. System Interrupts
Detect network unlock
Reset
Read data from SSCR
at PBI address 0x01
Read data from CSDCR
at PBI address 0x02
Read data from SDCR
at PBI address 0x02
Notify application
CLEAR INTERRUPTS:
Write SDCR to 0x0000_001F
SSCR[SDR]
Detect system reset command
Detect network lock
Detect scan command
Detect system subcommand
ProcessSint
ReturnFromSint
== 1?
SSCR[SDNL]
== 1?
SSCR[SDNU]
== 1?
SSCR[SDCS]
== 1?
SSCR[SDSC]
== 1?
SDCR ==
DeviceAddress?
SDCR ==
DeviceAddress?
SDCR
== 0?
device
Notify application
Notify application
yes
no
yes
yes
no
no
yes
yes
no
no
no
no
Notify application
Read data from SDCR
at PBI address 0x02
at PBI address 0x02
yes
yes
yes
no
Summary of Contents for PXN2020
Page 1: ...PXN20 Microcontroller Reference Manual Devices Supported PXN2020 PXN2120 PXN20RM Rev 1 06 2011...
Page 42: ...PXN20 Microcontroller Reference Manual Rev 1 lxiv Freescale Semiconductor...
Page 64: ...Introduction PXN20 Microcontroller Reference Manual Rev 1 1 22 Freescale Semiconductor...
Page 112: ...Signal Description PXN20 Microcontroller Reference Manual Rev 1 3 44 Freescale Semiconductor...
Page 118: ...Resets PXN20 Microcontroller Reference Manual Rev 1 4 6 Freescale Semiconductor...
Page 372: ...e200z6 Core Z6 PXN20 Microcontroller Reference Manual Rev 1 13 8 Freescale Semiconductor...
Page 412: ...e200z0 Core Z0 PXN20 Microcontroller Reference Manual Rev 1 14 14 Freescale Semiconductor...
Page 821: ...Media Local Bus MLB PXN20 Microcontroller Reference Manual Rev 1 Freescale Semiconductor 27 49...
Page 822: ...Media Local Bus MLB PXN20 Microcontroller Reference Manual Rev 1 27 50 Freescale Semiconductor...
Page 1376: ...Memory Map PXN20 Microcontroller Reference Manual Rev 1 A 118 Freescale Semiconductor...