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Chapter 3 Register Setup of Each Function
63
BIT3: "0" Stop count
"1" Count operation
BIT2, 1, 0: Clock source selection
000:
High speed crystal clock oscillation frequency
001: Timer 1, prescaler output signal
010: Low speed crystal clock oscillation frequency
011: Synchronous low speed crystal clock oscillation frequency
110: Timer 1, pin input external signal
111: Synchronous timer 1, pin input external signal
Timer 2:
BIT7: Unused
BIT6: Unused
BIT5: "0" Normal operation
"1" P23(IRQ3), pulse width measurement
BIT4: "0" Normal operation
"1" PWM operation
BIT3: "0" Stop count
"1" Count operation
BIT2, 1, 0: Clock source selection
000: High speed crystal clock oscillation frequency
001: Timer 2, prescaler output signal
010: Low speed crystal clock oscillation frequency
011: Synchronous low speed crystal clock oscillation frequency
110: Timer 2, pin input external signal
111: Synchronous timer 2, pin input external signal
Timer 3:
BIT7: Unused
BIT6: Unused
BIT5: Unused
BIT4: "0" Normal operation
"1" Cascade connection
BIT3: "0" Stop count
"1" Count operation
BIT2, 1, 0: Clock source selection
000: High speed crystal clock oscillation frequency