2 identification and configuration registers, 1 i/o registers – C&H Technologies M222 User Manual
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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 M222 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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