R5F21254SNFP#U0 Renesas Electronics America, R5F21254SNFP#U0 Datasheet - Page 39
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R5F21254SNFP#U0
Manufacturer Part Number
R5F21254SNFP#U0
Description
IC R8C MCU FLASH 16K 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 R5F21254SNFP#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
-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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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