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CY8C21334_13 Datasheet, PDF (10/38 Pages) Cypress Semiconductor – Automotive – Extended Temperature PSoC® Programmable System-on-Chip™
CY8C21334, CY8C21534
Registers
Register Conventions
This section lists the registers of the automotive CY8C21x34
PSoC device. For detailed register information, reference the
PSoC Technical Reference Manual.
The register conventions specific to this section are listed in
Table 4.
Table 4. Register Conventions
Convention
R
W
L
C
#
Description
Read register or bit(s)
Write register or bit(s)
Logical register or bit(s)
Clearable register or bit(s)
Access is bit specific
Register Mapping Tables
The PSoC device has a total register address space of 512
bytes. The register space is referred to as I/O space and is
divided into two banks. The XIO bit in the Flag register (CPU_F)
determines which bank the user is currently in. When the XIO bit
is set the user is in Bank 1.
Note In the following register mapping tables, blank fields are
Reserved and must not be accessed.
Document Number:38-12038 Rev. *J
Page 10 of 38