R5F21257SNFP#U0 Renesas Electronics America, R5F21257SNFP#U0 Datasheet - Page 39

• 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
Figure 5.7
Table 5.14
NOTES:
t
t
t
t
t
t
t
t
t
t
t
SCL
SCLH
SCLL
sf
SP
BUF
STAH
STAS
STOP
SDAS
SDAH
Symbol
1. V
2. 1t
SDA
SCL
CC
CYC
Feb 29, 2008
= 2.2 to 5.5 V, V
= 1/f1(s)
SCL input cycle time
SCL input “H” width
SCL input “L” width
SCL, SDA input fall time
SCL, SDA input spike pulse rejection time
SDA input bus-free time
Start condition input hold time
Retransmit start condition input setup time
Stop condition input setup time
Data input setup time
Data input hold time
P
I/O Timing of I
Timing Requirements of I
NOTES:
(2)
1. Start condition
2. Stop condition
3. Retransmit start condition
t
BUF
S
t
(1)
sf
SS
V
V
Page 37 of 51
Parameter
t
= 0 V and T
STAH
IH
IL
t
SCLL
2
C bus Interface
t
SCL
opr
t
SCLH
= -20 to 85 ° C (N version) / -40 to 85 ° C (D version), unless otherwise specified.
t
sr
2
C bus Interface
t
SDAH
Condition
(1)
Sr
(3)
t
STAS
12t
3t
5t
1t
CYC
CYC
CYC
CYC
5t
3t
3t
3t
Min.
CYC
CYC
CYC
CYC
+ 300
+ 500
−
−
0
+ 600
+ 20
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
Standard
t
SDAS
t
SP
5. Electrical Characteristics
Typ.
−
−
−
−
−
−
−
−
−
−
−
t
STOP
1t
Max.
300
CYC
P
−
−
−
−
−
−
−
−
−
(2)
(2)
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns