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3.2 IDENTIFICATION AND CONFIGURATION REGISTERS

3.2.1 I/O Registers

There are a variety of registers used to configure and control the M221 module. These registers

are located in the IOSpace. The address map of the registers is shown in Table II. Details of the

registers are provided in Figure 3.

Table II. I/O Address Map/Command Summary

Offset

(hex) Register Name Register Type

00 Status Register Read Only

02 Control Register Read/Write

04 Interrupt Read Only

06 – 12 Reserved NA

14 Relay Read/Write

16 – FC Reserved NA

FE ID EEPROM Read/Write

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C&H Technologies M 2 2 0 Manuale Utente Pagina 14