R5F21236JFP Renesas Electronics America, R5F21236JFP Datasheet - Page 215
![MCU 3/5V 32K+2K 48-LQFP](/photos/28/61/286102/48-lqfp__plqp0048kb-a_sml.jpg)
R5F21236JFP
Manufacturer Part Number
R5F21236JFP
Description
MCU 3/5V 32K+2K 48-LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/R8C/Tiny/23r
Datasheet
1.R5F21237DFPU0.pdf
(551 pages)
Specifications of R5F21236JFP
Core Processor
R8C
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, Voltage Detect, WDT
Number Of I /o
41
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2K 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
For Use With
RCDK8C - KIT DEV EVAL FOR CAN R8C/23R0E521237CPE00 - EMULATOR COMPACT R8C/20/21/22/23
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R5F21236JFP
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Company:
Part Number:
R5F21236JFP#U1
Manufacturer:
Renesas Electronics America
Quantity:
135
Company:
Part Number:
R5F21236JFP#U1
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Company:
Part Number:
R5F21236JFP#V0
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
Figure 14.46
TRDIOji input signal
14.3.5.1
TRDIOji input signal
Input signal through
fOCO40M
TRDCLK
Sampling clock
The TRDIOji input is sampled, and when the sampled input level matches 3 times, its level is assumed as a
determination. Select the digital filter function and sampling clock by the TRDDFi register.
digital filtering
f32
f8
f4
f2
f1
Clock period selected by the
i = 0 or 1, j = either A, B, C or D
TCK0 to TCK2: Bits in TRDCRi register
DFCK0 to DFCK1 and DFj: Bits in TRDDF register
IOA0 to IOA2 and IOB0 to IOB2: Bits in TRDIORAi register
IOC0 to IOC3 and IOD0 to IOD3: Bits in TRDIORCi register
or DFCK1 to DFCK0 bits
Digital Filter
Block Diagram of Digital Filter
=011b
Timer RD operation clock
TCK2 to TCK0 bits
=100b
=010b
=001b
=101b
D
D
f1, fOCO40M
=000b
Latch
Latch
C
C
TCK2 to TCK0
Page 193 of 501
Q
Q
=110b
Count source
D
f32
f8
f1
Latch
C
=01b
=10b
DFCK1 to DFCK0
=00b
=11b
Transmission cannot be
performed without 3-times match
because the input signal is
assumed as noise.
Q
D
Latch
C
Sampling clock
Q
D
Latch
C
Q
detection
Match
Signal transmission delayed
circuit
up to 5-sampling clock
signal change with
Recognition of the
3-time match
1
0
DFj
Edge detection
IOA2 to IOA0
IOB2 to IOB0
IOC3 to IOC0
IOD3 to IOD0
circuit
14. Timers
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