R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 35

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

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: -

R8C/33C Group
REJ09B0570-0100 Rev.1.00 Dec. 14, 2009
Page 5 of 589
1.3
Figure 1.2
Figure 1.2 shows a Block Diagram.
I/O ports
Block Diagram
Peripheral functions
Block Diagram
(10 bits
Timer RC (16 bits × 1)
Timer RA (8 bits × 1)
Timer RB (8 bits × 1)
Timer RE (8 bits × 1)
Watchdog timer
A/D converter
D/A converter
(8 bits
(14 bits)
×
Timers
12 channels)
×
2)
clock synchronous serial I/O
R8C CPU core
R0H
R1H
Port P0
I
Comparator B
2
C bus or SSU
R2
R3
LIN module
(8 bits × 3)
(8 bits × 1)
FB
A0
A1
UART or
8
R1L
R0L
Port P1
8
INTB
PC
SB
Notes:
USP
FLG
ISP
Port P2
1. ROM size varies with MCU type.
2. RAM size varies with MCU type.
High-speed on-chip oscillator
Low-speed on-chip oscillator
Low-speed on-chip oscillator
3
System clock generation
Voltage detection circuit
for watchdog timer
XCIN-XCOUT
XIN-XOUT
Memory
Port P3
circuit
DTC
5
Multiplier
ROM
RAM
(1)
(2)
Port P4
3
1
1. Overview