R5F21266SNFP#U0 Renesas Electronics America, R5F21266SNFP#U0 Datasheet - Page 215
![IC R8C/26 MCU FLASH 32LQFP](/photos/12/37/123707/r5f21266snfp_u0_sml.jpg)
R5F21266SNFP#U0
Manufacturer Part Number
R5F21266SNFP#U0
Description
IC R8C/26 MCU FLASH 32LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/26r
Datasheet
1.R5F21272SDFPU0.pdf
(487 pages)
Specifications of R5F21266SNFP#U0
Core Size
16/32-Bit
Program Memory Size
32KB (32K x 8)
Core Processor
R8C
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
LED, POR, Voltage Detect, WDT
Number Of I /o
25
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
32-LQFP
No. Of I/o's
25
Ram Memory Size
1.5KB
Cpu Speed
20MHz
No. Of Timers
4
Digital Ic Case Style
LQFP
Supply Voltage Range
2.2V To 5.5V
Embedded Interface Type
I2C, UART
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
R0K521276S000BE - KIT DEV RSK-R8C/26-29R0E521000EPB00 - PROBE EMULATOR FOR PC7501
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
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Part Number
Manufacturer
Quantity
Price
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R8C/26 Group, R8C/27 Group
Rev.2.10
REJ09B0278-0210
Figure 14.40
(or TRCTRG input signal)
Input signal after passing
14.3.3.3
TRCIOj input signal
signal)
(or TRCTRG input
fOCO40M
TRCIOj input signal
TRCCLK
through digital filter
The input to TRCTRG or TRCIOj (j = A, B, C, or D) is sampled, and the level is considered to be determined
when three matches occur. The digital filter function and sampling clock are selected using the TRCDF register.
Figure 14.40 shows a Block Diagram of Digital Filter.
Sampling clock
f32
f1
f2
f4
f8
Sep 26, 2008
TCK0 to TCK2: Bits in TRCCR1 register
DFTRG, DFCK0 to DFCK1, DFj: Bits in TRCDF register
IOA0 to IOA2, IOB0 to IOB2: Bits in TRCIOR0 register
IOC0 to IOC2, IOD0 to IOD2: Bits in TRCIOR1 register
TCEG1 to TCEG0: Bits in TRCCR2 register
j = A, B, C, or D
Clock cycle selected by
= 011b
Digital Filter
Block Diagram of Digital Filter
Timer RC operation clock
(or DFCK1 to DFCK0)
= 010b
= 100b
TCK2 to TCK0
= 101b
= 001b
f1 or fOCO40M
D
D
= 110b
Latch
Latch
C
TCK2 to TCK0
C
Q
Q
= 000b
Page 196 of 453
Count source
D
f32
f8
f1
Latch
C
= 01b
= 10b
If fewer than three matches occur,
the matches are treated as noise
and no transmission is performed.
= 00b
DFCK1 to DFCK0
= 11b
Q
D
Latch
C
Sampling clock
Q
D
Latch
C
Q
Match detect
Maximum signal transmission
circuit
delay is five sampling clock
Three matches occur and a
signal change is confirmed.
pulses.
DFj (or DFTRG)
1
0
(or TCEG1 to TCEG0)
IOA2 to IOA0
IOB2 to IOB0
IOC2 to IOC0
IOD2 to IOD0
Edge detect
circuit
14. Timers
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