R5F212B7SNFP#U0 Renesas Electronics America, R5F212B7SNFP#U0 Datasheet - Page 426
R5F212B7SNFP#U0
Manufacturer Part Number
R5F212B7SNFP#U0
Description
IC R8C/2B MCU FLASH 64-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/2Br
Specifications of R5F212B7SNFP#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
55
Program Memory Size
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
2.5K x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 5.5 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
64-LQFP
For Use With
R0K5212D8S001BE - KIT STARTER FOR R8C/2DR0K5212D8S000BE - KIT DEV FOR R8C/2D
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R8C/2A Group, R8C/2B Group
Rev.2.00
REJ09B0324-0200
16.2.1
16.2.1.1
The transfer clock can be selected from among seven internal clocks (f1/256, f1/128, f1/64, f1/32, f1/16, f1/8,
and f1/4) and an external clock.
When using 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 by bits CKS0 to CKS2 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.
The association between the transfer clock polarity, phase and data changes according to the combination of the
SSUMS bit in the SSMR2 register and bits CPHS and CPOS in the SSMR register.
Figure 16.11 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 and proceeds to the MSB. When the MLS bit is
set to 0, transfer is started from the MSB and proceeds to the LSB.
Nov 26, 2007
Transfer Clock
Association between Transfer Clock Polarity, Phase, and Data
Page 404 of 580
16. Clock Synchronous Serial Interface
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