R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 13

MCU 1KB FLASH 16K ROM 32-LQFP

R5F21334CNFP#U0

Manufacturer Part Number
R5F21334CNFP#U0
Description
MCU 1KB FLASH 16K ROM 32-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/3x/33Cr
Datasheet

Specifications of R5F21334CNFP#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
27
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 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
32-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-

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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R5F21334CNFP#U0
Manufacturer:
Renesas Electronics America
Quantity:
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Part Number:
R5F21334CNFP#U0R5F21334CNFP#V2
Manufacturer:
RENESAS
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Manufacturer:
Renesas Electronics America
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Part Number:
R5F21334CNFP#U0R5F21334CNFP#X6
Manufacturer:
Renesas Electronics America
Quantity:
10 000
10.
11.
10.1
11.1
11.2
11.3
11.4
11.5
11.6
11.7
11.8
10.1.1
11.1.1
11.1.2
11.1.3
11.1.4
11.1.5
11.2.1
11.2.2
11.2.3
11.3.1
11.3.2
11.3.3
11.3.4
11.3.5
11.3.6
11.3.7
11.3.8
11.3.9
11.3.10 Interrupt Priority Level Selection Circuit ......................................................................................... 146
11.4.1
11.4.2
11.4.3
11.4.4
11.4.5
11.5.1
11.6.1
11.6.2
11.8.1
11.8.2
11.8.3
11.8.4
11.8.5
Protection .................................................................................................................................... 131
Interrupts ..................................................................................................................................... 132
Register .................................................................................................................................................. 131
Overview ............................................................................................................................................... 132
Registers ................................................................................................................................................ 136
Interrupt Control .................................................................................................................................... 140
INT Interrupt ......................................................................................................................................... 147
Key Input Interrupt ................................................................................................................................ 150
Address Match Interrupt ........................................................................................................................ 152
Timer RC Interrupt, Synchronous Serial Communication Unit Interrupt, I
Flash Memory Interrupt (Interrupts with Multiple Interrupt Request Sources) .................................... 154
Notes on Interrupts ................................................................................................................................ 156
Protect Register (PRCR) ................................................................................................................... 131
Types of Interrupts ............................................................................................................................ 132
Software Interrupts ........................................................................................................................... 133
Special Interrupts .............................................................................................................................. 134
Peripheral Function Interrupts .......................................................................................................... 134
Interrupts and Interrupt Vectors ........................................................................................................ 135
Interrupt Control Register
(TREIC, S2TIC, S2RIC, KUPIC, ADIC, S0TIC, S0RIC, S1TIC, S1RIC, TRAIC, TRBIC, U2BCNIC,
VCMP1IC, VCMP2IC) .................................................................................................................... 137
Interrupt Control Register (FMRDYIC, TRCIC, SSUIC/IICIC) ..................................................... 138
INTi Interrupt Control Register (INTiIC) (i = 0, 1, 3) ...................................................................... 139
I Flag ................................................................................................................................................. 140
IR Bit ................................................................................................................................................. 140
Bits ILVL2 to ILVL0, IPL ................................................................................................................ 140
Interrupt Sequence ............................................................................................................................ 141
Interrupt Response Time ................................................................................................................... 142
IPL Change when Interrupt Request is Acknowledged .................................................................... 142
Saving Registers ............................................................................................................................... 143
Returning from Interrupt Routine ..................................................................................................... 145
Interrupt Priority ............................................................................................................................... 145
INTi Interrupt (i = 0, 1, 3) ................................................................................................................. 147
INT Interrupt Input Pin Select Register (INTSR) ............................................................................. 147
External Input Enable Register 0 (INTEN) ...................................................................................... 148
INT Input Filter Select Register 0 (INTF) ........................................................................................ 148
INTi Input Filter (i = 0, 1, 3) ............................................................................................................. 149
Key Input Enable Register 0 (KIEN) ................................................................................................ 151
Address Match Interrupt Enable Register i (AIERi) (i = 0 or 1) ...................................................... 153
Address Match Interrupt Register i (RMADi) (i = 0 or 1) ................................................................ 153
Reading Address 00000h .................................................................................................................. 156
SP Setting .......................................................................................................................................... 156
External Interrupt and Key Input Interrupt ....................................................................................... 156
Changing Interrupt Sources .............................................................................................................. 157
Rewriting Interrupt Control Register ................................................................................................ 158
A - 4
2
C bus Interface Interrupt, and

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