r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 782
r5s77631ay266bgv
Manufacturer Part Number
r5s77631ay266bgv
Description
Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R5S77631AY266BGV.pdf
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Section 20 16-Bit Timer Pulse Unit (TPU)
Table 20.5 TPU Clock Sources
[Legend]
Blank : No setting
Rev. 1.00 Oct. 01, 2007 Page 716 of 1956
REJ09B0256-0100
Bit
4, 3
2 to 0
Channel
0
1
2
3
: Setting
Bit Name
CKEG[1:0] 00
TPSC[2:0] 000
Pck0/1
Initial
Value
Pck0/4
R/W
R/W
R/W
Internal Clock
Description
Clock Edge
These bits select the input clock edge. When the input clock
is counted using both edges, the input clock period is halved
(e.g. φ/4 both edges = φ/2 rising edge). If phase counting
mode is used this setting is ignored.
00: Count at rising edge
01: Count at falling edge
1X: Count at both edges*
[Legend] X: Don’t care
Note: * If Pck0/1 is selected for the input clock, operation is
Time Prescaler
These bits select the TCNT counter clock. The clock source
can be selected independently for each channel. Table 20.5
shows the clock sources that can be set for each channel.
For more in formation on count clock selection, see table
20.6.
Pck0/16
disabled.
Pck0/64
TPU_TI2A
External Clock
TPU_TI3A
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