R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 496
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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R8C/33C Group
REJ09B0570-0100 Rev.1.00 Dec. 14, 2009
Page 466 of 589
Figure 27.4
27.3.3
27.3.3.1
27.3.3.2
A software trigger, trigger from timer RC, and external trigger are used as A/D conversion start triggers.
Figure 27.4 shows the Block Diagram of A/D Conversion Start Control Unit.
A software trigger is selected when bits ADCAP1 to ADCAP0 in the ADMOD register are set to 00b (software
trigger).
The A/D conversion starts when the ADST bit in the ADCON0 register is set to 1 (A/D conversion starts).
This trigger is selected when bits ADCAP1 to ADCAP0 in the ADMOD register are set to 10b (timer RC).
To use this function, make sure the following conditions are met.
•
•
•
•
When the IMFj bit in the TRCSR register is changed from 0 to 1, A/D conversion starts.
Refer to 19. Timer RC, 19.5 Timer Mode (Output Compare Function), 19.6 PWM Mode, 19.7 PWM2
Mode for the details of timer RC and the output compare function (timer mode, PWM mode, and PWM2
mode).
Bits ADCAP1 to ADCAP0 in the ADMOD register are set to 10b (timer RC).
Timer RC is used in the output compare function (timer mode, PWM mode, PWM2 mode).
The ADTRGjE bit (j = A, B, C, D) in the TRCADCR register is set to 1 (A/D trigger occurs at compare match
with TRCGRj register).
The ADST bit in the ADCON0 register is set to 1 (A/D conversion starts).
(TRCSR register)
A/D Conversion Start Condition
ADTRG pin
j = A, B, C, D k = 0 to 1
ADCAP1 to ADCAP0: Bits in ADMOD register
ADST: Bit in ADCON0 register
ADTRGjE: Bit in TRCADCR register
INT0EN: Bit in INTEN register
IMFj: Bit in TRCSR register
PD4_5: Bit in PD4 register
Note:
Software Trigger
Trigger from Timer RC
Block Diagram of A/D Conversion Start Control Unit
PD4_5
1. Do not set bits ADCAP1 to ADCAP0 to 01b.
IMFj
ADTRGjE
INT0EN
ADST
ADCAP1 to ADCAP0
= 00b
= 10b
= 11b
A/D conversion start trigger
(1)
27. A/D Converter
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