R5F21324CNSP#U0 Renesas Electronics America, R5F21324CNSP#U0 Datasheet - Page 10
R5F21324CNSP#U0
Manufacturer Part Number
R5F21324CNSP#U0
Description
MCU 1KB FLASH 16K ROM 20-LSSOP
Manufacturer
Renesas Electronics America
Series
R8C/3x/32Cr
Datasheet
1.R5F21321CDSPU0.pdf
(605 pages)
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
-
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SFR Page Reference ........................................................................................................................... B - 1
1.
2.
3.
4.
5.
1.1
1.2
1.3
1.4
1.5
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
3.1
5.1
5.2
5.3
5.4
5.5
5.6
1.1.1
1.1.2
2.8.1
2.8.2
2.8.3
2.8.4
2.8.5
2.8.6
2.8.7
2.8.8
2.8.9
2.8.10
5.1.1
5.1.2
5.1.3
5.1.4
5.2.1
5.2.2
Overview ......................................................................................................................................... 1
Central Processing Unit (CPU) ..................................................................................................... 10
Memory ......................................................................................................................................... 13
Special Function Registers (SFRs) ............................................................................................... 14
Resets ........................................................................................................................................... 26
Features ..................................................................................................................................................... 1
Product List ............................................................................................................................................... 4
Pin Assignment .......................................................................................................................................... 6
Pin Functions ............................................................................................................................................. 8
Data Registers (R0, R1, R2, and R3) ...................................................................................................... 11
Address Registers (A0 and A1) ............................................................................................................... 11
Frame Base Register (FB) ....................................................................................................................... 11
Interrupt Table Register (INTB) .............................................................................................................. 11
Program Counter (PC) ............................................................................................................................. 11
User Stack Pointer (USP) and Interrupt Stack Pointer (ISP) .................................................................. 11
Static Base Register (SB) ........................................................................................................................ 11
Flag Register (FLG) ................................................................................................................................ 11
R8C/32C Group ....................................................................................................................................... 13
Registers .................................................................................................................................................. 28
Hardware Reset ....................................................................................................................................... 31
Power-On Reset Function ....................................................................................................................... 33
Voltage Monitor 0 Reset ......................................................................................................................... 34
Watchdog Timer Reset ............................................................................................................................ 35
Software Reset ......................................................................................................................................... 35
Block Diagram ......................................................................................................................................... 5
Applications .......................................................................................................................................... 1
Specifications ........................................................................................................................................ 2
Carry Flag (C) ..................................................................................................................................... 11
Debug Flag (D) ................................................................................................................................... 11
Zero Flag (Z) ....................................................................................................................................... 11
Sign Flag (S) ....................................................................................................................................... 11
Register Bank Select Flag (B) ............................................................................................................ 11
Overflow Flag (O) .............................................................................................................................. 11
Interrupt Enable Flag (I) ..................................................................................................................... 12
Stack Pointer Select Flag (U) .............................................................................................................. 12
Processor Interrupt Priority Level (IPL) ............................................................................................. 12
Reserved Bit ........................................................................................................................................ 12
Processor Mode Register 0 (PM0) ...................................................................................................... 28
Reset Source Determination Register (RSTFR) ................................................................................. 28
Option Function Select Register (OFS) .............................................................................................. 29
Option Function Select Register 2 (OFS2) ......................................................................................... 30
When Power Supply is Stable ............................................................................................................. 31
Power On ............................................................................................................................................ 31
Table of Contents
A - 1
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