r5f21346mnfp Renesas Electronics Corporation., r5f21346mnfp Datasheet - Page 264

• Manufacturer Part Number: r5f21346mnfp
• Description: Single-chip Mcus Incorporates The R8c Cpu Core
• Manufacturer: Renesas Electronics Corporation.

R8C/34M Group
R01UH0131EJ0100 Rev.1.00
Jun 21, 2011
18.2.5
18.2.6
Notes:
b7 to b0 Timer mode
b7 to b0 Timer mode
1. The values of registers TRBPR and TRBSC are reloaded to the counter alternately and counted.
2. The count value can be read out by reading the TRBPR register even when the secondary period is being
After Reset
After Reset
Bit
Bit
Address 010Ch
Address 010Dh
When the TSTOP bit in the TRBCR register is set to 1, the TRBPRE register is set to FFh.
counted.
When the TSTOP bit in the TRBCR register is set to 1, the TRBSC register is set to FFh.
To write to the TRBSC register, perform the following steps.
(1) Write the value to the TRBSC register.
(2) Write the value to the TRBPR register. (If the value does not change, write the same value second time.)
Symbol
Symbol
Programmable waveform generation
mode
Programmable one-shot generation
mode
Programmable wait one-shot
generation mode
Programmable waveform generation
mode
Programmable one-shot generation
mode
Programmable wait one-shot
generation mode
Bit
Bit
Timer RB Prescaler Register (TRBPRE)
Timer RB Secondary Register (TRBSC)
b7
b7
—
—
1
1
Mode
Mode
b6
b6
—
—
1
1
b5
—
b5
—
1
1
Disabled
Counts timer RB prescaler underflows
Disabled
Counts timer RB prescaler underflows
(one-shot width is counted)
Counts an internal count source or
timer RA underflows
b4
b4
—
—
1
1
b3
b3
—
—
1
1
Function
Function
b2
b2
—
—
1
1
b1
b1
—
—
1
1
(1)
00h to FFh
00h to FFh
00h to FFh
00h to FFh
00h to FFh
00h to FFh
00h to FFh
00h to FFh
Setting Range
Setting Range
b0
b0
—
—
1
1
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18. Timer RB
W
W
R/W
R/W
R/W
R/W
R/W
R/W
—
—
(2)
(2)