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