R5F21256SNFP#U0 Renesas Electronics America, R5F21256SNFP#U0 Datasheet - Page 12
R5F21256SNFP#U0
Manufacturer Part Number
R5F21256SNFP#U0
Description
IC R8C MCU FLASH 32K 52LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/25r
Datasheets
1.R5F211A2SPU0.pdf
(300 pages)
2.R5F21246SDFPU0.pdf
(61 pages)
3.R5F21246SDFPU0.pdf
(527 pages)
Specifications of R5F21256SNFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
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)
2.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
52-LQFP
For Use With
R0K521256S000BE - KIT EVAL STARTER FOR R8C/25
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F21256SNFP#U0R5F21256SNFP#ES
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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11.
12.
13.
14.
12.1
12.2
12.3
12.4
12.5
12.6
13.1
13.2
14.1
14.2
14.3
12.1.1
12.1.2
12.1.3
12.1.4
12.1.5
12.1.6
12.2.1
12.2.2
12.6.1
12.6.2
12.6.3
12.6.4
12.6.5
14.1.1
14.1.2
14.1.3
14.1.4
14.1.5
14.1.6
14.2.1
14.2.2
14.2.3
14.2.4
14.2.5
14.3.1
14.3.2
14.3.3
14.3.4
14.3.5
14.3.6
Protection .................................................................................................................................... 100
Interrupts ..................................................................................................................................... 101
Watchdog Timer .......................................................................................................................... 127
Timers ......................................................................................................................................... 132
Interrupt Overview ................................................................................................................................ 101
INT Interrupt ......................................................................................................................................... 115
Key Input Interrupt ................................................................................................................................ 118
Address Match Interrupt ........................................................................................................................ 120
Timer RD Interrupt, Clock Synchronous Serial I/O with Chip Select Interrupts, and I
Interrupt (Interrupts with Multiple Interrupt Request Sources) ............................................................ 122
Notes on Interrupts ................................................................................................................................ 124
Count Source Protection Mode Disabled .............................................................................................. 130
Count Source Protection Mode Enabled ............................................................................................... 131
Timer RA ............................................................................................................................................... 134
Timer RB ............................................................................................................................................... 150
Timer RD ............................................................................................................................................... 171
Types of Interrupts ............................................................................................................................ 101
Software Interrupts ........................................................................................................................... 102
Special Interrupts .............................................................................................................................. 103
Peripheral Function Interrupt ............................................................................................................ 103
Interrupts and Interrupt Vectors ........................................................................................................ 104
Interrupt Control ............................................................................................................................... 106
INTi Interrupt (i = 0 to 3) .................................................................................................................. 115
INTi Input Filter (i = 0 to 3) .............................................................................................................. 117
Reading Address 00000h .................................................................................................................. 124
SP Setting .......................................................................................................................................... 124
External Interrupt and Key Input Interrupt ....................................................................................... 124
Changing Interrupt Sources .............................................................................................................. 125
Changing Interrupt Control Register Contents ................................................................................. 126
Timer Mode ...................................................................................................................................... 137
Pulse Output Mode ........................................................................................................................... 139
Event Counter Mode ......................................................................................................................... 141
Pulse Width Measurement Mode ...................................................................................................... 143
Pulse Period Measurement Mode ..................................................................................................... 146
Notes on Timer RA ........................................................................................................................... 149
Timer Mode ...................................................................................................................................... 154
Programmable Waveform Generation Mode .................................................................................... 157
Programmable One-shot Generation Mode ...................................................................................... 159
Programmable Wait One-Shot Generation Mode ............................................................................. 163
Notes on Timer RB ........................................................................................................................... 167
Count Sources ................................................................................................................................... 176
Buffer Operation ............................................................................................................................... 177
Synchronous Operation ..................................................................................................................... 179
Pulse Output Forced Cutoff .............................................................................................................. 180
Input Capture Function ..................................................................................................................... 182
Output Compare Function ................................................................................................................ 196
A - 3
2
C bus Interface
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