R5F21324ANSP#U1 Renesas Electronics America, R5F21324ANSP#U1 Datasheet - Page 12
R5F21324ANSP#U1
Manufacturer Part Number
R5F21324ANSP#U1
Description
MCU 1KB FLASH 16K ROM 20-LSSOP
Manufacturer
Renesas Electronics America
Series
R8C/3x/32Ar
Datasheet
1.R5F21322ANSPU1.pdf
(629 pages)
Specifications of R5F21324ANSP#U1
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
-
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8.
9.
10.
9.1
9.2
9.3
9.4
9.5
9.6
9.7
9.8
9.9
10.1
9.2.1
9.2.2
9.2.3
9.2.4
9.2.5
9.2.6
9.2.7
9.2.8
9.2.9
9.2.10
9.2.11
9.2.12
9.2.13
9.2.14
9.4.1
9.4.2
9.6.1
9.6.2
9.6.3
9.6.4
9.6.5
9.6.6
9.6.7
9.6.8
9.6.9
9.6.10
9.7.1
9.7.2
9.7.3
9.8.1
9.9.1
9.9.2
9.9.3
9.9.4
Bus ................................................................................................................................................ 87
Clock Generation Circuit ............................................................................................................... 89
Protection .................................................................................................................................... 120
Overview ................................................................................................................................................. 89
Registers .................................................................................................................................................. 92
XIN Clock ............................................................................................................................................. 101
On-Chip Oscillator Clock ...................................................................................................................... 102
XCIN Clock ........................................................................................................................................... 103
CPU Clock and Peripheral Function Clock ........................................................................................... 104
Power Control ........................................................................................................................................ 106
Oscillation Stop Detection Function ..................................................................................................... 115
Notes on Clock Generation Circuit ....................................................................................................... 119
Register .................................................................................................................................................. 120
System Clock Control Register 0 (CM0) ............................................................................................ 92
System Clock Control Register 1 (CM1) ............................................................................................ 93
System Clock Control Register 3 (CM3) ............................................................................................ 94
Oscillation Stop Detection Register (OCD) ........................................................................................ 95
High-Speed On-Chip Oscillator Control Register 7 (FRA7) .............................................................. 95
High-Speed On-Chip Oscillator Control Register 0 (FRA0) .............................................................. 96
High-Speed On-Chip Oscillator Control Register 1 (FRA1) .............................................................. 96
High-Speed On-Chip Oscillator Control Register 2 (FRA2) .............................................................. 97
Clock Prescaler Reset Flag (CPSRF) .................................................................................................. 97
High-Speed On-Chip Oscillator Control Register 4 (FRA4) .............................................................. 98
High-Speed On-Chip Oscillator Control Register 5 (FRA5) .............................................................. 98
High-Speed On-Chip Oscillator Control Register 6 (FRA6) .............................................................. 98
High-Speed On-Chip Oscillator Control Register 3 (FRA3) .............................................................. 98
Voltage Detect Register 2 (VCA2) ..................................................................................................... 99
Low-Speed On-Chip Oscillator Clock .............................................................................................. 102
High-Speed On-Chip Oscillator Clock ............................................................................................. 102
System Clock .................................................................................................................................... 104
CPU Clock ........................................................................................................................................ 104
Peripheral Function Clock (f1, f2, f4, f8, and f32) ........................................................................... 104
fOCO ................................................................................................................................................. 104
fOCO40M ......................................................................................................................................... 104
fOCO-F ............................................................................................................................................. 104
fOCO-S ............................................................................................................................................. 105
fOCO128 ........................................................................................................................................... 105
fC, fC2, fC4, and fC32 ...................................................................................................................... 105
fOCO-WDT ...................................................................................................................................... 105
Standard Operating Mode ................................................................................................................. 106
Wait Mode ........................................................................................................................................ 108
Stop Mode ......................................................................................................................................... 112
How to Use Oscillation Stop Detection Function ............................................................................. 116
Stop Mode ......................................................................................................................................... 119
Wait Mode ........................................................................................................................................ 119
Oscillation Stop Detection Function ................................................................................................. 119
Oscillation Circuit Constants ............................................................................................................ 119
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