CY7C68013A, CY7C68014A
CY7C68015A, CY7C68016A
Figure 4. External Code Memory, EA = 1
Inside FX2LP Outside FX2LP
FFFF
7.5 KBytes
(OK to populate
USB regs and
4K FIFO buffers
(RD#,WR#)
data memory
here—RD#/WR#
strobes are not
active)
E200
E1FF
0.5 KBytes RAM
Data (RD#,WR#)*
E000
40 KBytes
External
Data
Memory
(RD#,WR#)
64 KBytes
External
Code
Memory
(PSEN#)
3FFF
(Ok to populate
data memory
here—RD#/WR#
strobes are not
active)
16 KBytes
RAM
Data
(RD#,WR#)*
0000
Data
Code
*SUDPTR, USB upload/download, I2C interface boot access
3.11 Register Addresses
FFFF
4 KBytes EP2-EP8
buffers
(8 x 512)
F000
EFFF
2 KBytes RESERVED
E800
E7FF
64 Bytes EP1IN
E7C0
E7BF
E780
64 Bytes EP1OUT
E77F
E740
64 Bytes EP0 IN/OUT
E73F
64 Bytes RESERVED
E700
E6FF
8051 Addressable Registers
(512)
E500
E4FF
Reserved (128)
E480
E47F
128 bytes GPIF Waveforms
E400
E3FF
E200
Reserved (512)
E1FF
512 bytes
8051 xdata RAM
E000
Document #: 38-08032 Rev. *N
Page 9 of 62
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