R5F21257SNFP#U0 Renesas Electronics America, R5F21257SNFP#U0 Datasheet - Page 35

• Manufacturer Part Number: R5F21257SNFP#U0
• Description: IC R8C/25 MCU FLASH 52LQFP
• Manufacturer: Renesas Electronics America
• Series: R8C/2x/25r

Specifications of R5F21257SNFP#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: 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
• Oscillator Type: Internal
• Operating Temperature: -20°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: -

R8C/24 Group, R8C/25 Group
Rev.3.00
REJ03B0117-0300
Table 5.13
NOTES:
t
t
t
t
t
t
t
t
t
t
t
t
SUCYC
HI
LO
RISE
FALL
SU
H
LEAD
LAG
OD
SA
OR
Symbol
1. V
2. 1t
CC
CYC
Feb 29, 2008
= 2.2 to 5.5 V, V
= 1/f1(s)
SSCK clock cycle time
SSCK clock “H” width
SSCK clock “L” width
SSCK clock rising
time
SSCK clock falling
time
SSO, SSI data input setup time
SSO, SSI data input hold time
SCS setup time
SCS hold time
SSO, SSI data output delay time
SSI slave access time
SSI slave out open time
Timing Requirements of Clock Synchronous Serial I/O with Chip Select
Parameter
SS
Page 33 of 51
= 0 V at T
Master
Slave
Master
Slave
Slave
Slave
opr
= -20 to 85°C (N version) / -40 to 85°C (D version), unless otherwise specified.
2.2 V ≤ V
2.7 V ≤ V
2.2 V ≤ V
2.7 V ≤ V
Conditions
CC
CC
CC
CC
≤ 5.5 V
< 2.7 V
≤ 5.5 V
< 2.7 V
1t
1t
CYC
CYC
Min.
100
0.4
0.4
−
−
−
−
1
−
−
−
−
−
4
+ 50
+ 50
Typ.
Standard
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
5. Electrical Characteristics
1.5t
1.5t
1.5t
1.5t
CYC
CYC
CYC
CYC
Max.
0.6
0.6
−
1
1
1
1
−
−
−
−
1
+ 100
+ 200
+ 100
+ 200
(1)
t
t
t
t
t
t
t
SUCYC
SUCYC
CYC
CYC
CYC
CYC
CYC
Unit
µs
µs
ns
ns
ns
ns
ns
ns
ns
(2)
(2)
(2)
(2)
(2)