R5F2121AJFP#U0 Renesas Electronics America, R5F2121AJFP#U0 Datasheet - Page 140

• Manufacturer Part Number: R5F2121AJFP#U0
• Description: MCU FLASH 96K 5K CMOS 48-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/21r

Specifications of R5F2121AJFP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, Voltage Detect, WDT
• Number Of I /o: 41
• Program Memory Size: 96KB (96K x 8)
• Program Memory Type: FLASH
• Ram Size: 5K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/20 Group, R8C/21 Group
Rev.2.00 Aug 27, 2008
REJ09B0250-0200
Figure 14.3
Timer RA Mode Register
Timer RA Prescaler Register
b7 b6 b5 b4
NOTE:
b7
NOTE:
1.
1. When the TSTOP bit in the TRACR register is set to 1, the TRA register is set to FFh.
When both the TSTART and TCSTF bits in the TRACR register are set to 0 (count stops), rew rite this register.
b3 b2
b1 b0
Registers TRAMR and TRAPRE
b0
Timer Mode
Pulse Output Mode
Event Counter Mode
Pulse Width
Measurement Mode
Pulse Period
Measurement Mode
Bit Symbol
TCKCUT
TRAMR
TMOD0
TMOD1
TMOD2
Symbol
TCK0
TCK1
TCK2
(b3)
Page 122 of 458
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(1)
TRAPRE
Symbol
Mode
Timer RA operation 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
Address
Bit Name
0102h
Counts an internal count source
Counts an internal count source
Counts an external count source
Counts an internal count source
Counts an internal count source
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 :
1 0 1 :
1 1 0 :
1 1 1 :
0 : Provides count source
1 : Cuts off count source
Address
Function
0103h
Do not set
Do not set
After Reset
Function
00h
Setting Range
After Reset
00h to FFh
00h to FFh
00h to FFh
00h to FFh
00h to FFh
FFh
(1)
14. Timers
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
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