R5F21236JFP Renesas Electronics America, R5F21236JFP Datasheet - Page 324
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
-
Available stocks
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Quantity
Price
Company:
Part Number:
R5F21236JFP
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Company:
Part Number:
R5F21236JFP#U1
Manufacturer:
Renesas Electronics America
Quantity:
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Company:
Part Number:
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Quantity:
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Part Number:
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R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
16.2.1
16.2.1.1
A transfer clock can be selected from 7 internal clocks (f1/256, f1/128, f1/64, f1/32, f1/16, f1/8 and f1/4) and an
external clock.
When using the clock synchronous serial I/O with chip select, set the SCKS bit in the SSMR2 register to 1 and
select the SSCK pin as the serial clock pin.
When the MSS bit in the SSCRH register is set to 1 (operates as master device), an internal clock can be
selected and the SSCK pin functions as output. When transfer is started, the SSCK pin outputs clocks of the
transfer rate selected in the CKS0 to CKS2 bits in the SSCRH register.
When the MSS bit in the SSCRH register is set to 0 (operates as slave device), an external clock can be selected
and the SSCK pin functions as input.
Association between transfer clock polarity, phase and data changes according to a combination of the SSUMS
bit in the SSMR2 register and the CPHS and CPOS bits in the SSMR register.
Figure 16.10 shows the Association between Transfer Clock Polarity, Phase, and Transfer Data.
Also, the MSB-first transfer or LSB-first transfer can be selected by setting the MLS bit in the SSMR register.
When the MLS bit is set to 1, transfer is started from the LSB to MSB. When the MLS bit is set to 0, transfer is
started from the MSB to LSB.
Transfer Clock
Association between Transfer Clock Polarity, Phase, and Data
Page 302 of 501
16. Clock Synchronous Serial Interface
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