MMC2107 - Freescale Semiconductor

Chip Configuration Module (CCM)
Freescale Semiconductor, Inc.
3.7.3.4 Chip Test Register
The chip test register (CTR) is reserved for factory testing.
NOTE:
To safeguard against unintentionally activating test logic, write $0000 to
the lock-out test features. Setting any bit in CTR may lead to
unpredictable results.
Address: 0x00c1_0008 and 0x00c1_0009
Bit 15 14 13 12 11 10 9 Bit 8
nc...
Freescale Semiconductor, I
Read: 0 0 0 0 0 0 0 0
Write:
Reset: 0 0 0 0 0 0 0 0
Bit 7 6 5 4 3 2 1 Bit 0
Read: 0 0 0 0 0 0 0 0
Write:
Reset: 0 0 0 0 0 0 0 0
= Writes have no effect and the access terminates without a transfer error exception.
Figure 3-5. Chip Test Register (CTR)
3.8 Functional Description
Six functions are defined within the chip configuration module:
1. Reset configuration
2. Chip mode selection
3. Boot device selection
4. Output pad strength configuration
5. Clock mode selection
6. Module configuration
These functions are described here.
Technical Data MMC2107 – Rev. 2.0
100 Chip Configuration Module (CCM) MOTOROLA
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