R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 490

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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R8C/33C Group
REJ09B0570-0100 Rev.1.00 Dec. 14, 2009
Page 460 of 589
27.2.3
Note:
After Reset
1. When the CKS2 bit is changed, wait for 3 φ AD cycles or more before starting A/D conversion.
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 00D4h
If the ADMOD register is rewritten during A/D conversion, the conversion result is undefined.
Symbol ADCAP1 ADCAP0
ADCAP0 A/D conversion trigger select
ADCAP1
Symbol
Bit
CKS0
CKS1
CKS2
MD0
MD1
MD2
A/D Mode Register (ADMOD)
b7
0
Division select bit
Clock source select bit
A/D operating mode select bit
bit
b6
0
Bit Name
MD2
b5
0
(1)
MD1
b4
b1 b0
0: Selects f1
1: Selects fOCO-F
b5 b4 b3
b7 b6
0
0 0: fAD divided by 8
0 1: fAD divided by 4
1 0: fAD divided by 2
1 1: fAD divided by 1 (no division)
0 0 0: One-shot mode
0 0 1: Do not set.
0 1 0: Repeat mode 0
0 1 1: Repeat mode 1
1 0 0: Single sweep mode
1 0 1: Do not set.
1 1 0: Repeat sweep mode
1 1 1: Do not set.
0 0: A/D conversion starts by software trigger (ADST bit in
0 1: Do not set.
1 0: A/D conversion starts by conversion trigger from timer
1 1: A/D conversion starts by external trigger (ADTRG)
ADCON0 register)
RC
MD0
b3
0
CKS2
b2
0
Function
CKS1
b1
0
CKS0
b0
0
27. A/D Converter
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W

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