
Crossbar Switch (XBS)
Freescale Semiconductor
12-5
NOTE
The possible values for the XBS_PRS
n
fields depend on the number of
masters available on the device. Because the device contains seven masters
(including reserved masters), valid values are 000 to 110. Unpredictable
results occur when using the reserved setting of 111.
12.4.2
XBS Control Registers (XBS_CRSn)
The XBS control registers (XBS_CRS
n
) control several features of each slave port and must be accessed
using 32-bit accesses. After XBS_CRS
n
[RO] is set, the XBS_CRS
n
can only be read; attempts to write to
it have no effect and result in an error response.
23
Reserved, must be cleared.
22–20
M5
Master 5 (USB Host) priority. See M7 description.
19
Reserved, must be cleared.
18–16
M4
Master 4 (LCD Controller) priority. See M7 description.
15–11
Reserved, must be cleared.
10–8
M2
Master 2 (FEC) priority. See M7 description.
7
Reserved, must be cleared.
6–4
M1
Master 1 (eDMA) priority. See M7 description.
3
Reserved, must be cleared.
2–0
M0
Master 0 (ColdFire core) priority. See M7 description.
Address: 0xFC00_4110 (XBS_PRS1)
0xFC00_4410 (XBS_PRS4)
0xFC00_4610 (XBS_PRS6)
0xFC00_4710 (XBS_PRS7)
Access: Supervisor read/write
31
30
29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
R
RO
0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
ARB
0 0
PCTL
0
PARK
W
Reset
0
0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0
0 0 0
0 0 0 0 0
1
After this bit is set, only a hardware reset clears it.
Figure 12-3. XBS Control Registers Slave n (XBS_CRSn)
Table 12-3. XBS_PRSn Field Descriptions (continued)
Field
Description
MCF5329 Reference Manual, Rev 3
Содержание MCF5329
Страница 106: ...ColdFire Core 3 32 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 126: ...Enhanced Multiply Accumulate Unit EMAC 4 20 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 148: ...Cache 5 22 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 154: ...Static RAM SRAM 6 6 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 184: ...Power Management 8 18 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 204: ...Reset Controller Module 10 8 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 220: ...System Control Module SCM 11 16 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 228: ...Crossbar Switch XBS 12 8 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 268: ...General Purpose I O Module 13 40 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 392: ...SDRAM Controller SDRAMC 18 30 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 436: ...Fast Ethernet Controller FEC 19 44 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 564: ...Liquid Crystal Display Controller LCDC 22 44 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 594: ...FlexCAN 23 30 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 678: ...Pulse Width Modulation PWM Module 26 22 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 684: ...Watchdog Timer Module 27 6 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 692: ...Programmable Interrupt Timers PIT0 PIT3 28 8 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 704: ...DMA Timers DTIM0 DTIM3 29 12 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 720: ...Queued Serial Peripheral Interface QSPI 30 16 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 754: ...UART Modules 31 34 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 770: ...I2 C Interface 32 16 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 790: ...Message Digest Hardware Accelerator MDHA 33 20 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 866: ...Debug Module 36 50 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Страница 902: ...Register Memory Map Quick Reference A 26 Freescale Semiconductor MCF5329 Reference Manual Rev 3...