
Chip Configuration Module (CCM)
9-10
Freescale Semiconductor
If the RCON pin is asserted during reset, then various chip functions, including the reset configuration pin
functions after reset, are configured according to the levels driven onto the external data pins. (See
.) The internal configuration signals are driven to reflect the levels on the external configuration
pins to allow for module configuration.
NOTE
It is recommended that the logic levels for reset configuration on D[9:86:1]
be actively driven when RCON is used. The rest of the data bus should be
allowed to float or be pulled high.
Table 9-10. Configuration During Reset
1
1
Modifying the default configurations is possible only if the external RCON pin is asserted.
Pin(s) Affected
Default
Configuration
Override Pins
in Reset
2
Function
None
RCON[1] = 0
D1
PLL Mode
0
180/60 MHz operation (default)
1
240/80 MHz operation
None
RCON[2] = 0
D2
Oscillator Mode
0
Crystal oscillator mode (default)
1
Oscillator bypass mode
None
RCON[4:3] = 00
D[4:3]
Boot Device
00
External with 32-bit port
3
(default)
01
External with 16-bit port
10
External with 8-bit port
11
External with 32-bit port
All output pins
RCON[5] = 0
D5
Output pad drive strength
0
Low Drive Strength (default)
1
High Drive Strength
None
RCON[6] = 0
D6
Limp Mode
0
PLL mode (default)
1
Limp mode
A[23:22]/FB_CS[5:4]
RCON[9:8] = 00
D[9:8]
Chip Select Configuration
00
A[23:22] = A[23:22] (default)
01
Reserved
10
A23 = FB_CS5 and A22 = A22
11
A[23:22] = FB_CS[5:4]
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...