R5F21254SDFP#U0 Renesas Electronics America, R5F21254SDFP#U0 Datasheet - Page 335
R5F21254SDFP#U0
Manufacturer Part Number
R5F21254SDFP#U0
Description
IC R8C MCU FLASH 52LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/25r
Datasheets
1.R5F211A2SPU0.pdf
(300 pages)
2.R5F21246SDFPU0.pdf
(61 pages)
3.R5F21246SDFPU0.pdf
(527 pages)
Specifications of R5F21254SDFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, Voltage Detect, WDT
Number Of I /o
41
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
52-LQFP
For Use With
R0K521256S000BE - KIT EVAL STARTER FOR R8C/25
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F21254SDFP#U0R5F21254SDFP#V2
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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- Download datasheet (6Mb)
R8C/24 Group, R8C/25 Group
Rev.3.00
REJ09B0244-0300
Figure 16.10
(“H” when clock stops)
(“L” when clock stops)
(“L” when clock stops)
(“H” when clock stops)
Feb 29, 2008
• SSUMS = 0 (clock synchronous communication mode), CPHS bit = 0 (data change at odd
• SSUMS = 1 (4-wire bus communication mode) and CPHS = 0 (data change at odd edge)
• SSUMS = 1 (4-wire bus communication mode) and CPHS = 1 (data download at odd edge)
CPOS = 1
Association between Transfer Clock Polarity, Phase, and Transfer Data
CPOS = 1
SSO, SSI
CPOS = 0
CPOS = 0
SSO, SSI
edge), and CPOS bit = 0 (“H” when clock stops)
SSO, SSI
SCS
SCS
SSCK
SSCK
SSCK
SSCK
SSCK
CPHS and CPOS: Bits in SSMR register, SSUMS: Bits in SSMR2 register
Page 316 of 485
b0
b0
b0
b1
b1
b1
b2
b2
b2
b3
b3
b3
b4
b4
b4
16. Clock Synchronous Serial Interface
b5
b5
b5
b6
b6
b6
b7
b7
b7
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