R5F21258SNFP#U0 Renesas Electronics America, R5F21258SNFP#U0 Datasheet - Page 36

• Manufacturer Part Number: R5F21258SNFP#U0
• Description: IC R8C/25 MCU FLASH 52LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/25r

Specifications of R5F21258SNFP#U0

• Core Size: 16/32-Bit
• Program Memory Size: 64KB (64K x 8)
• Core Processor: R8C
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, Voltage Detect, WDT
• Number Of I /o: 41
• Program Memory Type: FLASH
• Ram Size: 3K x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 52-LQFP
• No. Of I/o's: 41
• Ram Memory Size: 3KB
• Cpu Speed: 20MHz
• No. Of Timers: 4
• Digital Ic Case Style: LQFP
• Supply Voltage Range: 2.2V To 5.5V
• Embedded Interface Type: I2C, UART
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: YMCRPR8C25 - REF PLATFORM MOTOR CTRL R8C/25R0K521256S000BE - KIT EVAL STARTER FOR R8C/25
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

R8C/24 Group, R8C/25 Group
Rev.3.00
REJ03B0117-0300
Figure 5.4
4-Wire Bus Communication Mode, Master, CPHS = 1
4-Wire Bus Communication Mode, Master, CPHS = 0
SSCK (output)
SSCK (output)
SSCK (output)
SSCK (output)
SSO (output)
SSO (output)
SCS (output)
(CPOS = 1)
(CPOS = 0)
SCS (output)
(CPOS = 1)
(CPOS = 0)
SSI (input)
Feb 29, 2008
SSI (input)
CPHS, CPOS: Bits in SSMR register
I/O Timing of Clock Synchronous Serial I/O with Chip Select (Master)
Page 34 of 51
V
t
V
IH
SU
IH
V
V
or V
IH
or V
IH
or V
or V
OH
t
OH
LO
t
t
t
LO
HI
t
SU
OH
HI
t
H
OH
t
t
LO
t
HI
t
t
LO
HI
H
t
SUCYC
t
FALL
t
FALL
t
OD
t
SUCYC
t
OD
t
RISE
t
RISE
5. Electrical Characteristics