Specifications

CY8C24123A

CY8C24223A

CY8C24423A

Document Number: 38-12028 Rev. *V Page 15 of 71

This section lists the registers of the CY8C24x23A PSoC device. For detailed register information, see the PSoC Programmable

Sytem-on-Chip Reference Manual.

Abbreviations Used

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 I/O space and is

divided into two banks, Bank 0 and Bank 1. 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 7. Abbreviations

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