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Preliminary User’s Manual U14913EE1V0UM00
Chapter 9
Timer / Counter (Real Time Pulse Unit)
9.1 Timer
D
9.1.1 Features (timer D)
Timer D (TMD) functions as a 16-bit interval timer.
9.1.2 Function overview (timer D)
• 16-bit interval timer: 2 channels
• Compare registers: 2
• Count clock selected from divisions of internal system clock
(maximum frequency of count clock: 10 MHz @ f
CPU
= 20 MHz)
• Prescaler division ratio
The following division ratios can be selected related to the internal system clock (f
CPU
).
• Interrupt request sources: 2
- Compare match interrupt
TINTCMDn generated with CMDn match signal
• Timer clear
TMDn register can be cleared by CMDn register match.
Remarks: 1. f
CPU
: Internal system clock.
2. n = 0, 1
Division Ratio
Count Clock
1/2
f
CPU
/2
1/4
f
CPU
/4
1/8
f
CPU
/8
1/16
f
CPU
/16
1/32
f
CPU
/32
1/64
f
CPU
/64
1/128
f
CPU
/128
1/256
f
CPU
/256
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