296
Chapter 10
Timer
Preliminary User’s Manual U15839EE1V0UM00
10.2 Timer
D
2 x 16-bit interval timer of Timer D are implemented:
• Timer D1
• Timer D2
10.2.1 Features Timer D
Timer Dn (TMD) functions as a 16-bit interval timer.
10.2.2 Function overview Timer Dn
• Compare register: 1
• Count clock selected from divisions of internal peripheral clock
(maximum frequency of count clock: f
PCLK
/2 (10 MHz @ f
PCLK
= 20 MHz))
• Prescaler division ratio
8 division ratios can be selected related to the internal peripheral clock (f
PCLK
). The range is
from f
PCLK
/2 to f
PCLK
/256.
• Interrupt request sources: 1
- Compare match interrupt
INTTMDn generated with CMDn match signal
• Timer clear:
TMDn register can be cleared by CMDn register match.
Remark:
In this Timer D chapter following indexes is consequently used
•
n = 0, 1
(for each of the 2 Timer D)
•
f
PCLK
:
Internal peripheral clock
Figure 10-18 shows the block diagram of the channel of Timer Dn.
Figure 10-18:
Block Diagram of Timer Dn (n = 0, 1)
Remark:
n = 0, 1
TMDn (16-bit)
CMDn
INTTMDn
1/2
1/4
1/8
1/16
1/32
1/64
1/128
1/256
Clear & start
TMCDn
TMCDn:
count control
clear and
f
PCLK
f
COUNT
Summary of Contents for mPD703128
Page 6: ...6 Preliminary User s Manual U15839EE1V0UM00 ...
Page 20: ...20 Preliminary User s Manual U15839EE1V0UM00 ...
Page 32: ...32 Preliminary User s Manual U15839EE1V0UM00 MEMO ...
Page 154: ...154 Preliminary User s Manual U15839EE1V0UM00 MEMO ...
Page 238: ...238 Preliminary User s Manual U15839EE1V0UM00 MEMO ...
Page 356: ...356 Preliminary User s Manual U15839EE1V0UM00 MEMO ...
Page 522: ...522 Preliminary User s Manual U15839EE1V0UM00 MEMO ...
Page 600: ...600 Preliminary User s Manual U15839EE1V0UM00 MEMO ...
Page 610: ...610 Preliminary User s Manual U15839EE1V0UM00 ...
Page 612: ......