6 / 48 page
CY7C68013
Document #: 38-08012 Rev. *E
Page 6 of 48
Figure 3-1. Internal Code Memory, EA = 0
Inside FX2
Outside FX2
7.5 kbytes
US B regs and
4k EP buffers
(RD#,WR#)
0.5 kbytes RAM
Data (RD#,WR#)*
(OK to populate
data memory
here—RD#/WR#
strobes are not
active)
48 kbytes
External
Data
Memory
(RD#,WR#)
(Ok to populate
data memory
here—RD#/WR#
strobes are not
active)
Eight kbytes RAM
Code and Data
(PSEN#,RD#,WR#)*
56 kbytes
External
Code
Memory
(PSEN#)
(OK to populate
program
memory here—
PSEN# strobe
is not active)
*SUDPTR, USB upload/download, I2C-compatible interface boot access
FFFF
E200
E1FF
E000
1FFF
0000
Data
Code
Figure 3-2. External Code Memory, EA = 1
Inside FX2
Outside FX2
7.5 kbytes
USB regs and
4k EP buffers
(RD#,WR#)
0.5 kbytes RAM
Data (RD#,WR#)*
(OK to populate
data memory
here—RD#/WR#
strobes are not
active)
48 kbytes
External
Data
Memory
(RD#,WR#)
(Ok to populate
data memory
here—RD#/WR#
strobes are not
active)
Eight kbytes
RAM
Data
(RD#,WR#)*
64 kbytes
External
Code
Memory
(PSEN#)
*SUDPTR, USB upload/download, I2C-compatible interface boot access
FFFF
E200
E1FF
E000
1FFF
0000
Data
Code