TCC76 Datasheet, PDF (240/259 Pages) List of Unclassifed Manufacturers – 32-bit RISC Microprocessor For Digital Media Player

TCC76x
Specification Rev. 0.07
32-bit RISC Microprocessor for Digital Media Player
February 23, 2005
USB 2.0 & CARD INTERFACE
22.2 Register Description
nCS0
1
1
1
1
1
0
0
0
0
0
0
0
0
0
Addresses
nCS1 A2
1
X
0
0
0
1
0
1
0
1
1
0
1
0
1
0
1
0
1
1
1
1
1
1
1
1
0
X
Table 22.1 　I/O Port Functions and Selection Addresses
A1
A0
Functions
Read (nIOR)
Write (nIOW)
X
X Data bus high impedance
Not used
Control block registers
X
X Data bus high impedance
0
X Data bus high impedance
1
0 Alternate Status
Not used
Not used
Device Control
1
1 Obsolete
Not used
Command block registers
0
0 Data
0
1 Error
1
0 Sector Count
1
1 Sector Number
0
0 Cylinder Low
Data
Features
Sector Count
Sector Number
Cylinder Low
0
1 Cylinder High
1
0 Device/Head
1
1 Status
X
X Invalid address
Cylinder High
Device/Head
Command
Invalid address
Table 22.2 The Relationship of MST[2:0] Pins and Feature Register
MST[2:0] Configuration
Feature register
Record in flash memory by AP. In USB Mode, First
111
slot is NAND Flash memory, Second slot is
MMC/SD and Third slot is MS/MS Pro/New MS card
001
Only support MMC/SD card
010
Only support MS/MS_Pro card
011
Support two kinds of card above. And MMC/SD is
the first slot in USB mode.
100
Support two kinds of card above. And MS/MS_Pro
card is the first slot in USB mode.
Value of Feature register is slot number of each memory.
Fill feature register before access command
0x80: direct to Flash Memory Hidden disk
0x00: direct to NAND Flash Memory FAT disk.
0x01: direct to MMC/SD card
0x02: direct to MS/MS Pro card
0x00: direct to MMC/SD card
0x00: direct to MS/MS Pro card
0x00: direct to MMC/SD card
0x01: direct to MS/MS Pro card
0x00: direct to MS/MS Pro card
0x01: direct to MMC/SD card
After Feature register has been filled, Initial Media Command(0x62) should be issued.
Preliminary
22-2