Siemens ERTEC200 - Manual (Page 44)

4.4.1 Address Assignment of F-Timer Registers
The F-timer registers are 32 bits in width. The registers can be written to in 32-bit width only.
F-Counter (Base Address 0x4000_2700)
Register Name Offset Address Address Area Access Default Description
F-COUNTER-VAL 0x0000 4 bytes R 0x00000000 F-counter value register
F-COUNTER-RES 0x0004 4 bytes W 0x00000000 Reset register for F-counter
Table 11: Overview of F-Timer Registers
4.4.2 F-Timer Register Description
F-COUNTER-VAL R Addr.: 0x4000_2700 Default: 0x0000_0000
Description Timer value of F-counter
Bit No. Name Description
31:0 F-CNT-VAL[31:0] Timer value of F-timer
F-COUNTER-RES W Addr.: 0x4000_2704 Default: 0x0000_0000
Description Reset register for F-counters. A reset of the F-counter is performed only if 0xXXXX
55AAh is entered in this register. Resets are thus possible via 16-bit and 32-bit
accesses.
Bit No. Name Description
31:16 F-CNT-RES[31:16] More significant word of F-counter reset (don’t care)
15:0 F-CNT-RES[15:0] Less significant word of F-counter reset
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Technical data subject to change Version 1.1.0