274
Chapter 10
Timer
Preliminary User’s Manual U15839EE1V0UM00
10.1.3 Basic
configuration
Table 10-1:
Timer C Configuration List
Remarks: 1. f
PCLK
: Internal peripheral clock
2. S/R: Set/Reset
3. n = 0, 1
(1)
16-bit counter (TMC0)
TMC0 functions as a 16-bit free-running timer or as an event counter for an external signal.
Besides being mainly used for cycle measurement, Timer C can be used as pulse output.
TMC0 is a 16-bit units read-only register.
Figure 10-2:
Timer C counter (TMC0)
Remarks: 1. The TMC0 register can only be read. If writing is performed to the TMC0 register, the
subsequent operation is undefined.
2. If the CAE-bit of the TMCC00 register is cleared to "0", a reset is performed
asynchronously.
TMC0 performs the count-up operations of an internal count clock. Timer starting and stopping are
controlled by the CE bit of Timer C control register 0 (TMCC00).
Timer
Count Clock
Register
Read/
Write
Generated
Interrupt Signal
Capture
Trigger
Timer Output
S/R
Timer C
f
PCLK
/2, f
PCLK
/4,
f
PCLK
/8,f
PCLK
/16
f
PCLK
/32, f
PCLK
/64,
f
PCLK
/128, f
PCLK
/256
TMC0
Read
INTTMC0
-
-
CCC00
Read/
write
INTCCC00
INTCCC00
TOC0 (S)
CCC01
Read/
write
INTCCC01
INTCCC01
TOC0 (R)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Address
Initial
value
TMC0
FFF F600H 0000H
Содержание mPD703128
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