Atmel AT91M55800A Answering Machine User Manual


 
172
1745D–ATARM–04-Nov-05
AT91M55800A
19.5.4 TC Channel Mode Register: Capture Mode
Register Name: TC_CMR
Access Type: Read/Write
Reset State: 0
Offset: 0x04
TCCLKS: Clock Selection
CLKI: Clock Invert (Code Label TC_CLKI)
0 = Counter is incremented on rising edge of the clock.
1 = Counter is incremented on falling edge of the clock.
BURST: Burst Signal Selection
LDBSTOP: Counter Clock Stopped with RB Loading (Code Label TC_LDBSTOP)
0 = Counter clock is not stopped when RB loading occurs.
1 = Counter clock is stopped when RB loading occurs.
LDBDIS: Counter Clock Disable with RB Loading (Code Label TC_LDBDIS)
0 = Counter clock is not disabled when RB loading occurs.
1 = Counter clock is disabled when RB loading occurs.
31 30 29 28 27 26 25 24
23 22 21 20 19 18 17 16
LDRB LDRA
15 14 13 12 11 10 9 8
WAVE=0 CPCTRG
ABETRG ETRGEDG
7 6 5 4 3 2 1 0
LDBDIS LDBSTOP BURST CLKI TCCLKS
TCCLKS Clock Selected Code Label: TC_CLKS
0 0 0 MCK/2 TC_CLKS_MCK2
0 0 1 MCK/8 TC_CLKS_MCK8
0 1 0 MCK/32 TC_CLKS_MCK32
0 1 1 MCK/128 TC_CLKS_MCK128
1 0 0 MCK/1024 TC_CLKS_MCK1024
1 0 1 XC0 TC_CLKS_XC0
1 1 0 XC1 TC_CLKS_XC1
1 1 1 XC2 TC_CLKS_XC2
BURST Selected BURST Code Label: TC_BURST
0 0 The clock is not gated by an external signal. TC_BURST_NONE
0 1 XC0 is ANDed with the selected clock. TC_BURST_XC0
1 0 XC1 is ANDed with the selected clock. TC_BURST_XC1
1 1 XC2 is ANDed with the selected clock. TC_BURST_XC2