
Fast Ethernet Controller (FEC)
19-16
Freescale Semiconductor
The MIBC is a read/write register controlling and observing the state of the MIB block. User software
accesses this register if there is a need to disable the MIB block operation. For example, to clear all MIB
counters in RAM:
1. Disable the MIB block
2. Clear all the MIB RAM locations
3. Enable the MIB block
The MIB_DIS bit is reset to 1. See
for the locations of the MIB counters.
19.4.10 Receive Control Register (RCR)
RCR controls the operational mode of the receive block and must be written only when ECR[ETHER_EN]
is cleared (initialization time).
Table 19-12. Programming Examples for MSCR
Internal FEC Clock
Frequency
MSCR[MII_SPEED]
FEC_MDC frequency
25 MHz
0x5
2.50 MHz
33 MHz
0x7
2.36 MHz
40 MHz
0x8
2.50 MHz
50 MHz
0xA
2.50 MHz
66 MHz
0xE
2.36 MHz
80 MHz
0x10
2.50 MHz
Address: 0xFC03_0064
Access: User 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
MIB_
DIS
MIB_
IDLE
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
W
Reset
1
1
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
Figure 19-9. MIB Control Register (MIBC)
Table 19-13. MIBC Field Descriptions
Field
Description
31
MIB_DIS
A read/write control bit. If set, the MIB logic halts and not update any MIB counters.
30
MIB_IDLE
A read-only status bit. If set the MIB block is not currently updating any MIB counters.
29–0
Reserved.
19.4.9
MIB Control Register (MIBC)
MCF5329 Reference Manual, Rev 3
Summary of Contents for MCF5329
Page 106: ...ColdFire Core 3 32 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 148: ...Cache 5 22 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 154: ...Static RAM SRAM 6 6 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 184: ...Power Management 8 18 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 204: ...Reset Controller Module 10 8 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 220: ...System Control Module SCM 11 16 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 228: ...Crossbar Switch XBS 12 8 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 268: ...General Purpose I O Module 13 40 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 392: ...SDRAM Controller SDRAMC 18 30 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 436: ...Fast Ethernet Controller FEC 19 44 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 594: ...FlexCAN 23 30 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 678: ...Pulse Width Modulation PWM Module 26 22 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 684: ...Watchdog Timer Module 27 6 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 704: ...DMA Timers DTIM0 DTIM3 29 12 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 754: ...UART Modules 31 34 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 770: ...I2 C Interface 32 16 Freescale Semiconductor MCF5329 Reference Manual Rev 3...
Page 866: ...Debug Module 36 50 Freescale Semiconductor MCF5329 Reference Manual Rev 3...