Cypress CY8C20x66 Manual do Utilizador descarregar pdf (Página 12)

August 3, 2005 Document No. 38-12025 Rev. *H 12

2. Register Reference

This chapter lists the registers of the CY8C21x34 PSoC device. For detailed register information, reference the

PSoC™ Mixed-Signal Array Technical Reference Manual.

2.1 Register Conventions

The register conventions specific to this section are listed in the

following table.

2.2 Register Mapping Tables

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.

Note In the following register mapping tables, blank fields are

Reserved and should not be accessed.

Convention Description

R Read register or bit(s)

W Write register or bit(s)

L Logical register or bit(s)

C Clearable register or bit(s)

# Access is bit specific

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 34 35

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