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cubloc:registers:index

Registers

CB210, CB220, CB280, CB320, CB380, CB400 and CT1820

The following is a chart showing the registers for the above models.

Register Name Range Units Feature
Input/Output Register P P0 to P127 1 bit Interface w/ External devices
Internal Registers M M0 to M511 1 bit Internal Registers
Special Register F F0 to F127 1 bit System Status
Timer T T0 to T99 16 bit (1 Word) For Timers
Counter C C0 to C49 16 bit (1Word) For Counters
Step Enable S S0 to S15 256 steps (1 Byte)For Step Enabling
Data Memory D D0 to 99 16bit (1 Word) For Storing Data

P, M, and F registers are in bit units whereas T, C, and D are in word units. To access P, M, and F registers in word units, use WP, WM, and WF respectively.

Register Name Range Units Feature
WP WP0 to 7 16 bit (1 Word) Register P Word Access
WM WM0 to WM31 16 bit (1 Word) Register M Word Access
WF WF0 to WF7 16 bit (1 Word) Register F Word Access

WP0 consists of registers P0 through P15. P0 is the least significant bit of WP0 and P15 is the most significant bit. These registers are often used with commands like WMOV.

CB290, CB405, CB405RT and CT1721C

The following is a chart showing the registers for the CB290, CB405, CB405RT and CT1721C models. The these models have more M, C, T, and D registers than the CB220 and CB280.

Register Name Range Units Feature
Input/Output Register P P0 to P127 1 bit Interface w/ External devices
Internal Registers M M0 to M2047 1 bit Internal Registers
Special Register F F0 to F127 1 bit System Status
Timer T T0 to T255 16 bit (1 Word) For Timers
Counter C C0 to C255 16 bit (1 Word) For Counters
Step Enable S S0 to S15 256 steps (1 Byte) For Step Enabling
Data Memory D D0 to 511 16 bit (1 Word) For Storing Data

P, M, and F Registers are in bit units whereas T, C, and D are in word units. To access P, M, and F registers in word units, use WP, WM, and WF respectively.

Register Name Range Units Feature
WP WP0 to 7 16 bit (1 Word) Register P Word Access
WM WM0 to WM63 16 bit (1 Word) Register M Word Access
WF WF0 to WF7 16 bit (1 Word) Register F Word Access

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cubloc/registers/index.txt · Last modified: 2016/04/14 11:07 (external edit)