R5F21324CNSP#U0 Renesas Electronics America, R5F21324CNSP#U0 Datasheet - Page 21

• Manufacturer Part Number: R5F21324CNSP#U0
• Description: MCU 1KB FLASH 16K ROM 20-LSSOP
• Manufacturer: Renesas Electronics America
• Series: R8C/3x/32Cr

Specifications of R5F21324CNSP#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: 15
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 20-LSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

28.
29.
27.3
27.4
27.5
27.6
27.7
27.8
27.9
27.10
28.1
28.2
28.3
28.4
29.1
29.2
29.3
29.4
27.2.3
27.2.4
27.2.5
27.2.6
27.3.1
27.3.2
27.3.3
27.3.4
27.3.5
27.3.6
27.3.7
28.2.1
28.2.2
28.2.3
28.3.1
29.3.1
29.3.2
29.3.3
29.4.1
29.4.2
29.4.3
29.4.4
29.4.5
29.4.6
29.4.7
29.4.8
29.4.9
29.4.10 Data Protect Function ....................................................................................................................... 491
29.4.11 Software Commands ......................................................................................................................... 492
Comparator B ............................................................................................................................. 467
Flash Memory ............................................................................................................................. 474
Common Items for Multiple Modes ...................................................................................................... 451
One-Shot Mode ..................................................................................................................................... 457
Repeat Mode 0 ....................................................................................................................................... 458
Repeat Mode 1 ....................................................................................................................................... 459
Single Sweep Mode ............................................................................................................................... 461
Repeat Sweep Mode .............................................................................................................................. 463
Output Impedance of Sensor under A/D Conversion ............................................................................ 465
Notes on A/D Converter ........................................................................................................................ 466
Overview ............................................................................................................................................... 467
Registers ................................................................................................................................................ 469
Functional Description .......................................................................................................................... 471
Comparator B1 and Comparator B3 Interrupts ..................................................................................... 473
Overview ............................................................................................................................................... 474
Memory Map ......................................................................................................................................... 475
Functions to Prevent Flash Memory from being Rewritten .................................................................. 476
CPU Rewrite Mode ............................................................................................................................... 478
A/D Mode Register (ADMOD) ........................................................................................................ 447
A/D Input Select Register (ADINSEL) ............................................................................................ 448
A/D Control Register 0 (ADCON0) ................................................................................................. 449
A/D Control Register 1 (ADCON1) ................................................................................................. 450
Input/Output Pins .............................................................................................................................. 451
A/D Conversion Cycles .................................................................................................................... 451
A/D Conversion Start Condition ....................................................................................................... 453
A/D Conversion Result ..................................................................................................................... 455
Low Current Consumption Function ................................................................................................ 455
Extended Analog Input Pins ............................................................................................................. 455
A/D Open-Circuit Detection Assist Function ................................................................................... 455
Comparator B Control Register (INTCMP) ..................................................................................... 469
External Input Enable Register 0 (INTEN) ...................................................................................... 469
INT Input Filter Select Register 0 (INTF) ........................................................................................ 470
Comparator Bi Digital Filter (i = 1 or 3) .......................................................................................... 472
ID Code Check Function .................................................................................................................. 476
ROM Code Protect Function ............................................................................................................ 477
Option Function Select Register (OFS) ............................................................................................ 477
Flash Memory Status Register (FST) ............................................................................................... 479
Flash Memory Control Register 0 (FMR0) ...................................................................................... 481
Flash Memory Control Register 1 (FMR1) ...................................................................................... 483
Flash Memory Control Register 2 (FMR2) ...................................................................................... 485
EW0 Mode ........................................................................................................................................ 487
EW1 Mode ........................................................................................................................................ 487
Suspend Operation ............................................................................................................................ 488
How to Set and Exit Each Mode ....................................................................................................... 489
BGO (BackGround Operation) Function .......................................................................................... 490
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