R5F61665N50FPV Renesas Electronics America, R5F61665N50FPV Datasheet - Page 1134
R5F61665N50FPV
Manufacturer Part Number
R5F61665N50FPV
Description
MCU FLASH 512K ROM 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.R5F61665N50FPV.pdf
(1492 pages)
Specifications of R5F61665N50FPV
Core Processor
H8SX
Core Size
16/32-Bit
Speed
50MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SmartCard, USB
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
92
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
40K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R5F61665N50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 22 A/D Converter
22.7.9
A protection circuit connected to prevent damage due to an abnormal voltage such as an excessive
surge at the analog input pins (AN0 to AN7) should be connected to AV
figure 22.14. Also, the bypass capacitors connected to AV
connected to the AN0 to AN7 pins must be connected to AV
AV
If a filter capacitor is connected, the input currents at the AN0 to AN7 pins are averaged, and so an
error may arise. Also, when A/D conversion is performed frequently, as in scan mode, if the
current charged and discharged by the capacitance of the sample-and-hold circuit in the A/D
converter exceeds the current input via the input impedance (R
input pin voltage. Careful consideration is therefore required when deciding the circuit constants.
Rev. 2.00 Oct. 21, 2009 Page 1100 of 1454
REJ09B0498-0200
CC
and AV
Notes on Noise Countermeasures
Notes:
SS
, or V
*
1
Figure 22.14 Example of Analog Input Protection Circuit
Values are reference values.
1.
2. R
ref
*
1
and AV
10 µF
in
: Input impedance
R
SS
in
should be placed as close to pins as possible.
*
2
0.01 µF
100 Ω
0.1 µF
AV
Vref
AN0 to AN7
AV
CC
SS
CC
and V
SS
. The bypass capacitors between
in
), an error will arise in the analog
ref
and the filter capacitor
CC
and AV
SS
as shown in
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