Datasheet

1083
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
HSMCI:
Section 35.8 ”High Speed MultiMedia Card Operations”:
- corrected HSMCI_MR to HSMCI_BLKR when referring to Block Length field that is not available in
HSMCI_MR and removed Note 2 in Figure 35-8, "Read Functional Flow Diagram" and Figure 35-9, "Write
Functional Flow Diagram"
Section 35.8.1 ”Command - Response Operation”:
- reorganized table content in ALL_SEND_CID command example to eliminate empty cells in header row
Section 35.13 ”Register Write Protection”:
- changed the section title (was “Write Protection Registers”)
- revised content
Section 35.14 ”High Speed MultiMedia Card Interface (HSMCI) User Interface”:
- harmonized register access type naming throughout the section (“Read-write” change to “Read/Write”,
“Read” changed to “Read-only”, “Write” changed to “Write-only”)
Section 35.14.7 ”HSMCI Block Register”:
- BLKLEN: removed the sentence on this bit accessibility in HSMCI Mode Register
Section 35.14.18 ”HSMCI Write Protection Mode Register”:
- modified the register name (was HSMCI Write Protect Mode Register)
- HSMCI_WPMR register table: replaced empty bitfields 7 - 0 with dashes
- WPEN: replaced the list of protectable registers with a cross-reference to Section 35.13 ”Register Write
Protection”
- WPKEY: replaced the bitfield description with a table
Section 35.14.19 ”HSMCI Write Protection Status Register”:
- modified the register name (was HSMCI Write Protect Status Register)
- updated description
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rfo
SPI:
Section 36.2 ”Embedded Characteristics”:
- removed redundant text line (1st bullet)
- added SPCK references
- updated the line on Programmable Transfer Delay
Section 36.7.4 ”SPI Slave Mode”, updated the last sentence.
Section 36.8 ”Serial Peripheral Interface (SPI) User Interface”, updated offset values for reserved registers
in Table 36-5 ”Register Mapping”.
Section 36.8.10 ”SPI Write Protection Mode Register”:
- removed ‘SPI’ prefix in bitfield names (SPIWPKEY --> WPKEY, SPIWPEN --> WPEN)
- WPEN: added details on Disable/Enable conditions and the list of protected registers
- WPKEY: replaced the bitfield description with a table
Section 36.8.11 ”SPI Write Protection Status Register”:
- removed ‘SPI’ prefix in bitfield names (SPIWPVSRC --> WPVSRC, SPIWPVS --> WPVS)
- WPVS: replaced the bitfield description table with the corresponding text (simplified)
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11063J
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