s1r72805 Epson Electronics America, Inc., s1r72805 Datasheet - Page 6

• Manufacturer Part Number: s1r72805
• Description: Ieee1394 Link/transaction Usb1.1 Controller
• Manufacturer: Epson Electronics America, Inc.

S1R72805
The memory map of this IC is shown in the figure blow. (For the built-in S1C33, 2-Clock is the minimum cycle.)
6
Total Memory Space
MEMORY MAP
Note 1 : At the time of 0x20070-0x2007F or USB-FIFO access by USB Window Register, Ext Wait
0xC0FFFF
0xC00000
0x05FFFF
0x011FFF
0x0020FF
0x001FFF
0x030000
0x010000
0x002100
0x002000
0x000000
Address
is input. In other cases, Wait is 0.
S1C33-Mini Core Reg
1394/USB Buffer
Internal Reg
(Work area)
Flash ROM
Reserved
Reserved
Reserved
IRAM
64KB
256B
Area
8KB
8KB
EPSON
Device Size
8/16bit
16bit
32bit
32bit
8bit
+Ext.Wait
+Ext.Wait
Note 1
0Wait
0Wait
1Wait
0Wait
0Wait
Wait
4+nClock
2+nClock
2Clock
2Clock
2Clock
Cycle
Rev.1.0