DF71251AD50FPV Renesas Electronics America, DF71251AD50FPV Datasheet - Page 735
DF71251AD50FPV
Manufacturer Part Number
DF71251AD50FPV
Description
MCU RISC FLASH 32K 8K 64LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH Tinyr
Datasheet
1.DF71243N50FPV.pdf
(794 pages)
Specifications of DF71251AD50FPV
Core Processor
SH-2
Core Size
32-Bit
Speed
50MHz
Connectivity
SCI
Peripherals
POR, PWM, WDT
Number Of I /o
37
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
64-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF71251AD50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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21.3.1
Table 21.5 Clock Timing
Conditions: V
Note:
Item
EXTAL clock input frequency
EXTAL clock input cycle time
EXTAL clock input low pulse width
EXTAL clock input high pulse width
EXTAL clock input rising time
EXTAL clock input falling time
CK (Bφ) clock frequency (reference
values)
CK (Bφ) clock cycle time (reference
values)
Power-on oscillation stabilization time
Oscillation stabilization time on return
from standby 1
Oscillation stabilization time on return
from standby 2
* Depends on the frequency control register (FRQCR).
Clock Timing
T
T
a
a
CC
= –20 to +85°C (consumer specifications),
= –40 to +85°C (industrial specifications)
= AV
Figure 21.1 Timing of EXTAL Input Clock Signal
EXTAL
CC
(input)
= 4.0 V to 5.5 V, V
1/2 V
CC
V
IH
Symbol
f
t
t
t
t
t
f
t
t
t
t
t
EX
EXcyc
EXL
EXH
EXr
EXf
OP
cyc
OSC1
OSC2
OSC3
EXH
SS
= PLLV
V
IH
t
EXcyc
Min.
10
80
20
20
⎯
⎯
10
25
10
10
10
V
SS
IL
t
EXf
= AV
t
EXL
V
Rev. 5.00 Mar. 06, 2009 Page 715 of 770
IL
SS
= 0 V,
Max.
12.5
100
⎯
⎯
5
5
40
100
⎯
⎯
⎯
1/2 V
V
t
EXr
IH
CC
Unit
MHz
ns
ns
ns
ns
ns
MHz
ns
ms
ms
ms
Reference
Figure
Figure 21.1
*
Figure 21.2
Figure 21.3
Figure 21.4
REJ09B0243-0500
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