Siemens ERTEC200 사용자 설명서
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.
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
Copyright © Siemens AG 2007. All rights reserved.
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ERTEC 200 Manual
Technical data subject to change Version 1.1.0