R5F21257SYFP#U0 Renesas Electronics America, R5F21257SYFP#U0 Datasheet - Page 43
R5F21257SYFP#U0
Manufacturer Part Number
R5F21257SYFP#U0
Description
MCU 2KB FLASH 48K 52-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/25r
Specifications of R5F21257SYFP#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 ~ 105°C
Package / Case
52-LQFP
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
Timing Requirements
(Unless Otherwise Specified: V
Figure 5.8
Figure 5.9
Table 5.18
Table 5.19
XIN input
XCIN input
TRAIO input
t
t
t
t
t
t
t
t
t
c(XIN)
WH(XIN)
WL(XIN)
c(XCIN)
WH(XCIN)
WL(XCIN)
c(TRAIO)
WH(TRAIO)
WL(TRAIO)
Symbol
Symbol
Feb 29, 2008
XIN input cycle time
XIN input “H” width
XIN input “L” width
XCIN input cycle time
XCIN input “H” width
XCIN input “L” width
TRAIO input cycle time
TRAIO input “H” width
TRAIO input “L” width
TRAIO Input Timing Diagram when V
XIN Input, XCIN Input
XIN Input and XCIN Input Timing Diagram when V
TRAIO Input
Page 41 of 51
CC
t
WH(TRAIO)
t
t
WH(XCIN)
WH(XIN)
= 5 V, V
Parameter
Parameter
SS
= 0 V at Topr = 25°C) [V
t
t
C(XCIN)
t
C(XIN)
C(TRAIO)
CC
t
t
t
WL(XCIN)
WL(TRAIO)
WL(XIN)
= 5 V
CC
= 5 V
CC
= 5 V]
Min.
Min.
100
50
25
25
14
40
40
5. Electrical Characteristics
7
7
Standard
Standard
Max.
Max.
−
−
−
−
−
−
−
−
−
V
V
CC
CC
= 5 V
= 5 V
Unit
Unit
ns
ns
ns
µ s
µ s
µ s
ns
ns
ns