TCC76x
Specification Rev. 0.07
February 23, 2005
32-bit RISC Microprocessor for Digital Media Player
USB 2.0 & CARD INTERFACE
Preliminary
22-3
22.3 IDE Commands
Table 22.3 Summary of IDE Commands
Command Name
Command Code
Description
ReCalibrate
0x1F
ReadSectors
0x20
WriteSectors
0x30
ReadVerify
0x40
Seek
0x70
TranslateSector
0x87
Diagnostics
0x90
ReadMultiple
0xC4
WriteMultiple
0xC5
SetMultiple
0xC6
ReadBuffer
0xE4
WriteBuffer
0xE8
Standard
Command
AtaIdentifyDrive
0xEC
Refer to ATA/ATAPI-4 Standard.
IDEGetMaxLun
0x60
Get Maximum number of LUN value.
ATACheckMedia
0x61
Check Media Status.
ATAInitial
0x62
Initialize Media.
GetSerialNumber
0x63
Read Serial Number(16bytes), VID and PID.
Vendor
Command
SetIDESuspend
0x64
Go to Suspend Mode.
22.3.1 Standard Commands
The Commands except PACKET and SERVICE commands are listed in Table 22.3. Refer to the ATA/ATAPI-4
Standard for detailed description.
22.3.2 Vendor Commands
There are five vendor commands as described in the following table. Before access command, Feature register
should be written.
Table 22.4 Vendor Commands
Name
Code Protocol Input Output Description
IDEGetMaxLun
0x60 Non-data None Number
of slots
Get slot number. Register Sector Number will response how many slot is
supported.
ATACheckMedia
0x61 Non-data None
Media
status
Check media connection. Error register response media status.
Definition of error register:
if bit 1 is true, and
if bit 4 is true. no media insert, else (false) media is insert
if bit 5 is true, media write protect, else (false) media write enable
if bit 6 is true, media initial failed, else (false) media initial pass
if bit 7 is true, same with bit 4
if bit 1 is false, and
if bit 5 is true, media change, (memory card already been change,
need to initial command 0x62)
ATAInitial
0x62 Non-data None
None
Initialize Media. After power on or media change, Initial media command
must be executed.
GetSerialNumber 0x63 PIO data
in
None
512
Bytes of
S/N,
VID and
PID
Read Serial Number(16bytes), VID and PID. It is some control flow with
command 0xEC. 512 bytes will be sent out as follows,
Byte
Description
0
Valid serial number length
1 ~ 24
Serial Number (valid data is according length)
25
VID (Low Byte)
26
VID(High Byte)
27
PID(Low Byte)
28
PID(High Byte)
SetIDESuspend
0x64 Non-data None
None
When this command is accessed, it will go to suspend mode and force pin
ACT_nSPND low. When next IDE command access, it will auto wake up
and force pin ACT_nSPND high.
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