R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 13
R5F21334CNFP#U0
Manufacturer Part Number
R5F21334CNFP#U0
Description
MCU 1KB FLASH 16K ROM 32-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/3x/33Cr
Datasheet
1.R5F21331CNFPU0.pdf
(622 pages)
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F21334CNFP#U0R5F21334CNFP#V2
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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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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