TTP259
TonTouchTM
Preliminary
TBC[20EH]: Time base control register [R/W], default value [1111]
Register
Bit Name
Read/Write
Bit3
TB2S
R/W
Bit2
TB1S2
R/W
Bit1
TB1S1
R/W
Bit0
TB1S0
R/W
TB1S2~TB1S0: Time base 1st overflow frequency selector.
TB2S: Time base 2nd overflow frequency selector.
Note: Every time writing the TBRB will clear the time base.
TB1S2 TB1S1 TB1S0 Time Base overflow
frequency (TB1OV)
TB1OV
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
TBCK/128
TBCK/256
128HZ
64HZ
32HZ
16HZ
8HZ
TBCK/512
TBCK/1024
TBCK/2048
TBCK/4096
TBCK/8192
TBCK/16384
4HZ
2HZ
1HZ
TB2S
Time Base overflow
frequency (TB2OV)
TBCK/512
TB2OV
0
1
32Hz
16Hz
TBCK/1024
Note: TB1OV select 128Hz can not be use for TCP1 clock source, the TCP1 will not
work. Please use other time base select option.
2015/05/25
Page 29 of 81
Ver: 1.1
TTELEC [ TT Electronics ]
