Cypress Semiconductor CY8C21234 Bedienungsanleitung PDF herunterladen (Seite 15)

CY8C21634/CY8C21534

CY8C21434/CY8C21334/CY8C21234

Document Number: 38-12025 Rev. *Q Page 15 of 45

This chapter lists the registers of the CY8C21x34 PSoC device. For detailed register information, refer the PSoC Technical Reference

Manual.

The register conventions specific to this section are listed in Table 8.

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 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 must not be accessed.

Table 8. Register Conventions

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

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