R5F21346CNFP#U0 Renesas Electronics America, R5F21346CNFP#U0 Datasheet - Page 24
![MCU 1KB FLASH 32K ROM 48-LQFP](/photos/28/61/286102/48-lqfp__plqp0048kb-a_sml.jpg)
R5F21346CNFP#U0
Manufacturer Part Number
R5F21346CNFP#U0
Description
MCU 1KB FLASH 32K ROM 48-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/3x/34Cr
Datasheet
1.R5F21346CNFPU0.pdf
(759 pages)
Specifications of R5F21346CNFP#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
43
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
48-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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28.
29.
30.
27.4
27.5
27.6
28.1
28.2
28.3
28.4
28.5
28.6
28.7
28.8
28.9
28.10
29.1
29.2
30.1
30.2
30.3
30.4
27.3.3
27.4.1
27.4.2
27.4.3
27.4.4
28.2.1
28.2.2
28.2.3
28.2.4
28.2.5
28.2.6
28.3.1
28.3.2
28.3.3
28.3.4
28.3.5
28.3.6
28.3.7
29.2.1
29.2.2
30.2.1
30.2.2
30.2.3
30.3.1
A/D Converter ............................................................................................................................. 584
D/A Converter ............................................................................................................................. 608
Comparator B ............................................................................................................................. 611
Function Description ............................................................................................................................. 573
Interrupt Requests .................................................................................................................................. 582
Notes on Hardware LIN ........................................................................................................................ 583
Overview ............................................................................................................................................... 584
Registers ................................................................................................................................................ 586
Common Items for Multiple Modes ...................................................................................................... 592
One-Shot Mode ..................................................................................................................................... 598
Repeat Mode 0 ....................................................................................................................................... 599
Repeat Mode 1 ....................................................................................................................................... 600
Single Sweep Mode ............................................................................................................................... 602
Repeat Sweep Mode .............................................................................................................................. 604
Output Impedance of Sensor under A/D Conversion ............................................................................ 606
Notes on A/D Converter ........................................................................................................................ 607
Overview ............................................................................................................................................... 608
Registers ................................................................................................................................................ 610
Overview ............................................................................................................................................... 611
Registers ................................................................................................................................................ 613
Functional Description .......................................................................................................................... 615
Comparator B1 and Comparator B3 Interrupts ..................................................................................... 617
LIN Status Register (LINST) ............................................................................................................ 572
Master Mode ..................................................................................................................................... 573
Slave Mode ....................................................................................................................................... 576
Bus Collision Detection Function ..................................................................................................... 580
Hardware LIN End Processing ......................................................................................................... 581
On-Chip Reference Voltage Control Register (OCVREFCR) ......................................................... 586
A/D Register i (ADi) (i = 0 to 7) ...................................................................................................... 587
A/D Mode Register (ADMOD) ........................................................................................................ 588
A/D Input Select Register (ADINSEL) ............................................................................................ 589
A/D Control Register 0 (ADCON0) ................................................................................................. 590
A/D Control Register 1 (ADCON1) ................................................................................................. 591
Input/Output Pins .............................................................................................................................. 592
A/D Conversion Cycles .................................................................................................................... 592
A/D Conversion Start Condition ....................................................................................................... 594
A/D Conversion Result ..................................................................................................................... 596
Low Current Consumption Function ................................................................................................ 596
Extended Analog Input Pins ............................................................................................................. 596
A/D Open-Circuit Detection Assist Function ................................................................................... 596
D/Ai Register (DAi) (i = 0 or 1) ....................................................................................................... 610
D/A Control Register (DACON) ...................................................................................................... 610
Comparator B Control Register 0 (INTCMP) .................................................................................. 613
External Input Enable Register 0 (INTEN) ...................................................................................... 613
INT Input Filter Select Register 0 (INTF) ........................................................................................ 614
Comparator Bi Digital Filter (i = 1 or 3) .......................................................................................... 616
A - 15
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