21.3.5 SMTxCON0

SMT Control Register 0

Name: SMTxCON0
Address: 0x498,0x518

Bit 76543210 
 EN STPWPOLSPOLCPOLPS[1:0] 
Access R/WR/WR/WR/WR/WR/WR/W 
Reset 0000000 

Bit 7 – EN SMT Enable bit

ValueDescription
1 SMT is enabled
0 SMT is disabled; internal states are reset, clock requests are disabled

Bit 5 – STP SMT Counter Halt Enable bit

ValueNameDescription
1 When SMTxTMR = SMTxPR

Counter remains SMTxPR; period match interrupt occurs when clocked

0 When SMTxTMR = SMTxPR

Counter resets to 0x000000; period match interrupt occurs when clocked

Bit 4 – WPOL SMTxWIN Input Polarity Control bit

ValueDescription
1 Window signal is active-low/falling edge enabled
0 Window signal is active-high/rising edge enabled

Bit 3 – SPOL SMTxSIG Input Polarity Control bit

ValueDescription
1

SMT Signal is active-low/falling edge enabled

0

SMT Signal is active-high/rising edge enabled

Bit 2 – CPOL SMT Clock Input Polarity Control bit

ValueDescription
1

SMTxTMR increments on the falling edge of the selected clock signal

0

SMTxTMR increments on the rising edge of the selected clock signal

Bits 1:0 – PS[1:0] SMT Prescale Select bits

ValueDescription
11 Prescaler = 1:8
10 Prescaler = 1:4
01 Prescaler = 1:2
00 Prescaler = 1:1