DF2211NP24V Renesas Technology / Hitachi Semiconductor, DF2211NP24V Datasheet - Page 333
DF2211NP24V
Manufacturer Part Number
DF2211NP24V
Description
H8S/2200 Series, 2212 Group, USB, RTC, HSS TNP-64B; Vcc= 2.7 to 3.6 volts, Temp= -20 to 75 C; Package: PVQN0064LB-A
Manufacturer
Renesas Technology / Hitachi Semiconductor
Datasheet
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9.3.1
The TCR registers control the TCNT operation for each channel. The TPU has a total of three TCR
registers, one for each channel (channel 0 to 2). TCR register settings should be made only when
TCNT operation is stopped.
Bit
7
6
5
4
3
2
1
0
Bit Name Initial value
CCLR2
CCLR1
CCLR0
CKEG1
CKEG0
TPSC2
TPSC1
TPSC0
Timer Control Register (TCR)
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Counter Clear 2 to 0
These bits select the TCNTcounter clearing source. See
tables 9.3 and 9.4 for details.
Clock Edge 1 and 0
These bits select the input clock edge. When the internal
clock is counted using both edges, the input clock
frequency is halved (e.g., φ/4 both edges = φ/2 rising
edge). If phase counting mode is used on channels 1, 2,
4, and 5, this setting is ignored and the phase counting
mode setting has priority. Internal clock edge selection is
valid when the input clock is φ/4 or slower. If φ/1 is
selected as the input clock, this setting is ignored and
count at falling edge of φ is selected.
00: Count at rising edge
01: Count at falling edge
1×: Count at both edges
Legend:
×: Don’t care
Time Prescaler 2 to 0
These bits select the TCNT counter clock. The clock
source can be selected independently for each channel.
See tables 9.5 to 9.7 for details.
Description
Rev.7.00 Dec. 24, 2008 Page 279 of 698
REJ09B0074-0700
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