R5F212A8SNFP#U0 Renesas Electronics America, R5F212A8SNFP#U0 Datasheet - Page 390

• Manufacturer Part Number: R5F212A8SNFP#U0
• Description: IC R8C/2A MCU FLASH 64LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/2Ar

Specifications of R5F212A8SNFP#U0

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, PWM, Voltage Detect, WDT
• Number Of I /o: 55
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 3K x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 5.5 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 64-LQFP
• For Use With: R0K5212D8S001BE - KIT STARTER FOR R8C/2DR0K5212D8S000BE - KIT DEV FOR R8C/2D
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R8C/2A Group, R8C/2B Group
Rev.2.00
REJ09B0324-0200
Figure 14.182 Block Diagram of Digital Filter
TRFI input signal
TRFI input
Sampling clock
through digital
14.6.1.1
Input signal
signal
The TRFI input is sampled, and when the sampled input level matches three times, its level is determined.
Select the digital filter function and sampling clock by the TRFCR1 register.
filtering
Nov 26, 2007
Clock period selected by
TRFC03 to TRFC04: Bits in TRFCR0 register
TIPF0 to TIPF1 and TMOD: Bits in TRFCR1 register
bits TIPF1 to TIPF0
Count source
Digital Filter
D
D
Latch
Latch
C
C
Q
Q
Page 368 of 580
D
f32
Latch
f1
f8
C
= 10b
= 11b
= 01b
Transmission cannot be performed
without three times match because the
input signal is assumed to be noise.
TIPF1 to TIPF0
Q
D
Latch
C
Sampling clock
Q
D
Latch
C
Q
Signal transmission delayed
detection
up to five sampling clock
Match
circuit
signal change with
Recognition of the
three times match
= 01b, 10b, 11b
TIPF1 to TIPF0
= 00b
TRFC04 to TRFC03
detection
TMOD
circuit
Edge
14. Timers