R5F21294SNSP#U0 Renesas Electronics America, R5F21294SNSP#U0 Datasheet - Page 157

• Manufacturer Part Number: R5F21294SNSP#U0
• Description: MCU 3/5V 16K+2K 20PIN-SSOP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/29r

Specifications of R5F21294SNSP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: LED, POR, Voltage Detect, WDT
• Number Of I /o: 13
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/28 Group, R8C/29 Group
Rev.2.10
REJ09B0279-0210
Figure 14.3
Timer RA Mode Register
Timer RA Prescaler Register
Timer RA Register
b7 b6 b5 b4
NOTES:
b7
NOTE:
b7
NOTE:
1.
2. For J, K version, fC32 cannot be selected.
1.
1.
When both the TSTART and TCSTF bits in the TRACR register are set to 0 (count stops), rew rite this register.
When the TSTOP bit in the TRACR register is set to 1, the TRAPRE register is set to FFh.
When the TSTOP bit in the TRACR register is set to 1, the TRA register is set to FFh.
Sep 26, 2008
b3 b2
Registers TRAMR, TRAPRE, and TRA
b1 b0
b0
b0
Timer mode
Pulse output mode
Event counter mode
Pulse w idth
measurement mode
Pulse period
measurement mode
All modes
Bit Symbol
TCKCUT
TRAMR
TMOD0
TMOD1
TMOD2
Symbol
TCK0
TCK1
TCK2
(b3)
Page 138 of 441
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TRAPRE
Symbol
Symbol
Mode
Mode
TRA
Timer RA operating mode
select bits
Nothing is assigned. If necessary, set to 0.
When read, the content is 0.
Timer RA count source
select bits
Timer RA count source
cutoff bit
(2)
Address
Bit Name
(1)
0102h
Counts an internal count source
Counts an external count source
Measure pulse w idth of input pulses from
external (counts internal count source)
Measure pulse period of input pulses from
external (counts internal count source)
Counts on underflow of timer RA prescaler
register
b2 b1 b0
0 0 0 : Timer mode
0 0 1 : Pulse output mode
0 1 0 : Event counter mode
0 1 1 : Pulse w idth measurement mode
1 0 0 : Pulse period measurement mode
1 0 1 :
1 1 0 :
1 1 1 :
b6 b5 b4
0 0 0 : f1
0 0 1 : f8
0 1 0 : fOCO
0 1 1 : f2
1 0 0 : fC32
1 0 1 :
1 1 0 :
1 1 1 :
0 : Provides count source
1 : Cuts off count source
Address
Address
Function
Function
0103h
0104h
Do not set.
Do not set.
(2)
After Reset
Function
00h
Setting Range
Setting Range
After Reset
After Reset
00h to FFh
00h to FFh
00h to FFh
00h to FFh
00h to FFh
00h to FFh
FFh
FFh
(1)
(1)
14. Timers
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
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