2. Register Reference
This chapter lists the registers of the CY8C27x43 PSoC device. For detailed register information, reference the PSoC™ Mixed Sig-
nal Array Technical Reference Manual.
2.1
Register Conventions
2.2
Register Mapping Tables
The register conventions specific to this section are listed in the
following table.
The PSoC device has a total register address space of 512
bytes. The register space is referred to as IO space and is
divided into two banks. The XOI bit in the Flag register (CPU_F)
determines which bank the user is currently in. When the XOI
bit is set the user is in bank 1.
Convention
Description
R
W
L
Read register or bit(s)
Write register or bit(s)
Note In the following register mapping tables, blank fields are
reserved and should not be accessed.
Logical register or bit(s)
Clearable register or bit(s)
Access is bit specific
C
#
August 3, 2004
© Cypress MicroSystems, Inc. 2003 — Document No. 38-12012 Rev. *I
14