M30845FJGP#U3 Renesas Electronics America, M30845FJGP#U3 Datasheet - Page 508

IC M32C MCU FLASH 512K 144LQFP

M30845FJGP#U3

Manufacturer Part Number
M30845FJGP#U3
Description
IC M32C MCU FLASH 512K 144LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M32C/80r
Datasheets

Specifications of M30845FJGP#U3

Core Processor
M32C/80
Core Size
16/32-Bit
Speed
32MHz
Connectivity
CAN, I²C, IEBus, SIO, UART/USART
Peripherals
DMA, PWM, WDT
Number Of I /o
121
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
24K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 34x10b, D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-

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M
R
R
27.11 A/D Converter
e
E
3
. v
J
2
Figure 27.4 Use of Capacitors to Reduce Noise
0
C
1
9
8 /
0 .
B
• Set the AD0CON0 (bit 6 excluded), AD0CON1, AD0CON2, AD0CON3, and AD0CON4 registers while
• Wait a minimum of 1 s before starting the A/D conversion when changing the VCUT bit setting in the
• Insert capacitors between the AV
• Set the bit in the port direction register, which corresponds to the pin being used as the analog input, to
• When generating a key input interrupt, do not use the AN
• The frequency of
• Set the CH2 to CH0 bits in the AD0CON0 register or the SCAN1 and SCAN0 bits in the AD0CON1
0
1
4
Change the VCUT bit setting from "1" to "0" after the A/D conversion is completed.
"0" (input mode). Set the bit in the port direction register, which corresponds to the AD
(input mode) if the TRG bit in the AD0CON0 register is set to "1" (external trigger).
interrupt request is generated when the A/D input voltage becomes "L").
the A/D conversion is stopped (before a trigger is generated).
AD0CON1 register from "0" (V
AV
same applies to the V
frequency must be 250 kHz or more. If the sample and hold function is activated,
be 1MHz or more.
register to re-select analog input pins when changing A/D conversion mode.
0
G
3
J
SS
6
u
o r
0 -
. l
u
0
1
pin to prevent latch-ups and malfunctions due to noise, and to minimize conversion errors. The
p
, 7
0
1
(
2
M
0
3
0
2
5
C
8 /
Page 485
NOTES:
, 4
AD
1. C1 0.47µF, C2 0.47µF, C3 100pF, C4 0.1µF, C5 0.1µF (reference)
2. Use thick and shortest possible wiring to connect capacitors.
3. The supply voltage of M32C/84T must be V
M
V
CC
V
must be 16MHz or less. When the sample and hold function is not activated,
3
CC1
CC2
2
ANi: ANi, AN
C
and V
8 /
f o
C4
C5
4
4
) T
9
REF
5
SS
CC
pins. Figure 27.4 shows the use of capacitors to reduce noise.
Microcomputer
0
no connection) to "1" (V
i, AN
V
V
V
V
pin, V
SS
SS
CC
CC
15
i and AN
REF
AV
pin, analog input pin ANij (i=none, 0, 2, 15; j=0 to 7) and
AV
V
ANi
REF
2
CC
SS
i (i=0 to 7)
C1
4
REF
CC1
to AN
V
C2
CC1
=V
connection).
CC2
7
C3
pins as analog input pins (key input
.
27. Precautions (A/D Converter)
AD
__________
frequency must
TRG
pin, to "0"
AD