Cypress CY7C68015A Manual De Usuario
CY7C68013A, CY7C68014A
CY7C68015A, CY7C68016A
CY7C68015A, CY7C68016A
Document #: 38-08032 Rev. *L
Page 9 of 62
Figure 4. External Code Memory, EA = 1
3.11 Register Addresses
Inside FX2LP
Outside FX2LP
7.5 KBytes
USB regs and
USB regs and
4K FIFO buffers
(RD#,WR#)
0.5 KBytes RAM
Data (RD#,WR#)*
(OK to populate
data memory
here—RD#/WR#
strobes are not
active)
data memory
here—RD#/WR#
strobes are not
active)
40 KBytes
External
Data
Memory
(RD#,WR#)
External
Data
Memory
(RD#,WR#)
(Ok to populate
data memory
here—RD#/WR#
strobes are not
active)
data memory
here—RD#/WR#
strobes are not
active)
16 KBytes
RAM
Data
(RD#,WR#)*
RAM
Data
(RD#,WR#)*
64 KBytes
External
Code
Memory
(PSEN#)
External
Code
Memory
(PSEN#)
*SUDPTR, USB upload/download, I
2
C interface boot access
FFFF
E200
E1FF
E1FF
E000
3FFF
0000
Data
Code
FFFF
E800
E7BF
E740
E73F
E700
E6FF
E6FF
E500
E4FF
E480
E47F
E4FF
E480
E47F
E400
E200
E1FF
E000
E3FF
EFFF
2 KBytes RESERVED
64 Bytes EP0 IN/OUT
64 Bytes RESERVED
8051 Addressable Registers
Reserved (128)
128 bytes GPIF Waveforms
512 bytes
8051 xdata RAM
F000
(512)
Reserved (512)
E780
64 Bytes EP1OUT
E77F
64 Bytes EP1IN
E7FF
E7C0
E7C0
4 KBytes EP2-EP8
buffers
(8 x 512)