R5F21236JFP Renesas Electronics America, R5F21236JFP Datasheet - Page 306
R5F21236JFP
Manufacturer Part Number
R5F21236JFP
Description
MCU 3/5V 32K+2K 48-LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/R8C/Tiny/23r
Datasheet
1.R5F21237DFPU0.pdf
(551 pages)
Specifications of R5F21236JFP
Core Processor
R8C
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, Voltage Detect, WDT
Number Of I /o
41
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
For Use With
RCDK8C - KIT DEV EVAL FOR CAN R8C/23R0E521237CPE00 - EMULATOR COMPACT R8C/20/21/22/23
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Manufacturer:
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Quantity:
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R5F21236JFP#U1
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R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
Figure 15.8
Figure 15.9
15.1.1
15.1.2
Figure 15.8 shows the Transfer Clock Polarity. Use the CKPOL bit in the U0C0 register to select the transfer
clock polarity.
Figure 15.9 shows the Transfer Format. Use the UFORM bit in the U0C0 register to select the transfer format.
Polarity Select Function
LSB First/MSB First Select Function
• When UFORM Bit in U0C0 Register = 0 (LSB first)
• When UFORM Bit in U0C0 Register = 1 (MSB first)
NOTE:
RXD0
RXD0
CLK0
TXD0
CLK0
TXD0
Transfer Clock Polarity
Transfer Format
CLK0
CLK0
• When the CKPOL Bit in the U0C0 Register = 0 (output transmit data at the falling
• When the CKPOL Bit in the U0C0 Register = 1 (output transmit data at the rising
1. The above applies when the CKPOL bit in the U0C0 register is set to 0
RXD0
RXD0
TXD0
TXD0
edge and input the receive data at the rising edge of the transfer clock)
edge and input the receive data at the falling edge of the transfer clock)
NOTES:
1. When not transferring, the CLK0 pin level is “H”.
2. When not transferring, the CLK0 pin level is “L”.
(output transmit data at the falling edge and input receive data at the
rising edge of the transfer clock).
(1)
(2)
Page 284 of 501
D0
D0
D7
D7
D0
D0
D0
D0
D1
D1
D6
D6
D1
D1
D1
D1
D2
D2
D5
D5
D2
D2
D2
D2
D3
D3
D4
D4
D3
D3
D3
D3
D4
D4
D3
D3
(1)
(1)
D4
D4
D4
D4
D5
D5
D2
D2
D5
D5
D5
D5
D6
D6
D1
D1
D6
D6
D6
D6
D7
D7
D0
D0
D7
D7
D7
D7
15. Serial Interface
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