SN8P2200 Series
USB 1.1 Low-Speed 8-Bit Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 77
Version 1.7
8.2.2 T0M MODE REGISTER
0D8H
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
T0M
T0ENB T0rate2 T0rate1 T0rate0
-
-
-
T0TB
Read/Write
R/W R/W R/W R/W -
-
- R/W
After
reset
0 0 0 0 - - - 0
Bit 0
T0TB:
RTC clock source control bit.
0 = Disable RTC (T0 clock source from Fcpu).
1 = Enable RTC.
Bit [6:4]
T0RATE[2:0]:
T0 internal clock select bits.
000 = fcpu/256.
001 = fcpu/128.
…
110 = fcpu/4.
111 = fcpu/2.
Bit 7
T0ENB:
T0 counter control bit.
0 = Disable T0 timer.
1 = Enable T0 timer.
Note: T0RATE is not available in RTC mode. The T0 interval time is fixed at 0.5 sec.