M30802FCGP#D3 Renesas Electronics America, M30802FCGP#D3 Datasheet - Page 226
![IC M16C MCU FLASH 128K 144LQFP](/photos/28/61/286117/144-lqfp__plqp0144ka-a_sml.jpg)
M30802FCGP#D3
Manufacturer Part Number
M30802FCGP#D3
Description
IC M16C MCU FLASH 128K 144LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/80r
Datasheet
1.M30803FGGPU3.pdf
(360 pages)
Specifications of M30802FCGP#D3
Core Processor
M16C/80
Core Size
16-Bit
Speed
20MHz
Connectivity
SIO, UART/USART
Peripherals
DMA, PWM, WDT
Number Of I /o
121
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
10K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 10x10b, D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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M
R
R
e
E
1
v
J
6
Figure 27.1 Anolog Input Pin and External Sensor Equivalent Circuit
1 .
0
C
9
0 .
8 /
B
With the model shown in Figure 27.1 as an example, when the difference between V
0.1LSB, we find impedance R0 when voltage between pins V
time T. (0.1/1024) means that A/D precision drop due to insufficient capacitor charge is held to 0.1LSB at
time of A/D conversion in the 10-bit mode. Actual error however is the value of absolute precision added
to 0.1LSB. When f(X
impedance R0 for sufficiently charging capacitor C within time T is determined as follows.
Thus, the allowable output impedance of the sensor circuit capable of thoroughly driving the A/D con-
verter turns out to be approximately 3.0 k . Tables 27.1 and 27.2 show output impedance values based
on the LSB values.
0
0
0
1
A
G
8
u
7
o r
. g
0 -
T = 0.3 s, R = 7.8 k , C = 3 pF, X = 0.1, and Y = 1024 . Hence,
R0 = –
u
1
0
p
0
, 2
0
2
0
0
5
3.0 X 10
Page 213
Sensor Equivalent Circuit
IN
0.3 X 10
) = 10 MHz, T = 0.3 us in the A/D conversion mode with sample & hold. Output
–12
V
• ln
IN
f o
3
-6
2
9
1024
0.1
R
0
–7.8 X10
3
R (7.8k )
C (3.0pF)
3.0 X 10
Microcomputer
C
3
changes from 0 to V
V
C
27. Usage Precaution
IN
IN
-(0.1/1024) V
and V
C
becomes
IN
in
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