SPC7283 Epson Electronics America, Inc., SPC7283 Datasheet - Page 94

• Manufacturer Part Number: SPC7283
• Description: IEEE1394 Controller
• Manufacturer: Epson Electronics America, Inc.

S1R72803F00A
Flash Address Register
Flash Write Data Register
90
0x200004 FlashAdrs_H
0x200005 FlashAdrs_M
0x200006 FlashData_H
0x200007 FlashData_L
Address Register Name
Address Register Name
This register specifies a write/erase address of the built-in Flash.
In the Built-in Flash All Erase mode, the setting of this register is ignored.
During writing operation, writing to the lower order byte of the Flash Data Register increments the address of
this register.
This register specifies write data of the built-in Flash.
When setting it in the unit of byte, conform to the order of higher order byte - lower order byte. If you reverse
the order, data cannot be correctly written.
Writing to the lower order byte updates the Flash Address Register to the next write address.
7: Flash Address[15]
6: Flash Address[14]
5: Flash Address[13]
4: Flash Address[12]
3: Flash Address[11]
2: Flash Address[10]
1: Flash Address[9]
0: Flash Address[8] R/W When Data register's Low Byte is accessed,
7: Flash Address[7]
6: Flash Address[6]
5: Flash Address[5]
4: Flash Address[4]
3: Flash Address[3]
2: Flash Address[2]
1: Flash Address[1]
0:
7: Flash Address[15]
6: Flash Address[14]
5: Flash Address[13]
4: Flash Address[12]
3: Flash Address[11]
2: Flash Address[10]
1: Flash Address[9]
0: Flash Address[8] R/W Because when Data register's Low Byte is accessed,
6: Flash Address[6]
5: Flash Address[5]
4: Flash Address[4]
3: Flash Address[3]
2: Flash Address[2]
1: Flash Address[1]
0: Flash Address[0]
7: Flash Address[7]
Bit Symbol
Bit Symbol
R/W
R/W
Write: Flash Write/Erase Sector Address Set
Read: Current Flash Sector Address
When All of Sector are erased, This Address is Ignored.
Reserved(Always Zero)
Write: Flash Write Data Set
Read: Flash Address's Word Data is read.
When operation is Write, It shall be set from high byte.
EPSON
Description
Description
This Register is updated.
Flash Address is updated.
H.Rst S.Rst B.Rst
H.Rst S.Rst B.Rst
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
–
–
–
–