R5F21237JFP Renesas Electronics America, R5F21237JFP Datasheet - Page 316

• Manufacturer Part Number: R5F21237JFP
• Description: MCU 3/5V 48K+2K 48-LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/23r

Specifications of R5F21237JFP

• Core Processor: R8C
• Core Size: 16/32-Bit
• Speed: 20MHz
• Connectivity: CAN, I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, Voltage Detect, WDT
• Number Of I /o: 41
• Program Memory Size: 48KB (48K x 8)
• Program Memory Type: FLASH
• Ram Size: 2.5K 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: -

R8C/22 Group, R8C/23 Group
Rev.2.00 Aug 20, 2008
REJ09B0251-0200
Figure 16.1
SSCK
SSO
SCS
SSI
Block Diagram of Clock Synchronous Serial I/O with Chip Select
Page 294 of 501
i = 4, 8, 16, 32, 64, 128 and 256
Selector
Transmit/receive
Internal clock(f1/i)
control circuit
Multiplexer
Interrupt requests
(TXI, TEI, RXI, OEI and CEI)
Internal clock
generation
circuit
f1
16. Clock Synchronous Serial Interface
SSTRSR register
SSCRH register
SSRDR register
SSCRL register
SSMR2 register
SSTDR register
SSMR register
SSER register
SSSR register