BAT32G1x9 user manual | Chapter 12 15-bit interval timer
465 / 1149
Rev.1.02
12.3.2
Real-time clock selection register (RTCCL).
The real-time clock and the count clock (fRTC) of the 15-bit interval timer can be selected via RTCCL.
Figure 12-3 Format of the Real-Time Clock Selection Register (RTCCL).
Address: 0x4002047C
after reset:
00H R/W
Symbol 7 6 5 4 3 2 1 0
RTCCL
RTCCL7
A choice of clock sources for real-time clocks, 15-bit interval
timers that count clocks
0
Select the high-speed system clock (f
MX
).
1
Select the high-speed internal oscillator (fhoco).
RTCCKS1
RTCCKS0
RTCCL6
RTCCL5
Selection of operating clocks for real-time clocks, 15-bit
interval timers for counting clocks
0
0
x
x
Subsystem clock (f
SUB
).
0
1
Low-speed internal oscillator clock (f
IL
)(WUTMMCK0 must
be set to 1).
1
0
0
1
Master clock fmax/fhoco (selected via RTCCL7)/1952
1
0
0
0
Master clock fmax/fhoco (selected via RTCCL7)/1464
1
0
1
0
Master clock fmax/fhoco (selected via RTCCL7)/976
1
1
0
0
Master clock fmax/fhoco (selected via RTCCL7)/488
1
1
1
0
Master clock fmax/fhoco (selected via RTCCL7)/244
RTCCL7
RTCCL6
RTCCL5
0
0
0
RTCCKS1
RTCCKS0