M30845FJGP#U3 Renesas Electronics America, M30845FJGP#U3 Datasheet - Page 113

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
e
E
3
. v
J
2
Figure 9.9 Main Clock Circuit Connection
0
C
9.1.1 Main Clock
1
9
0 .
8 /
B
Main clock oscillation circuit generates the main clock. The main clock becomes clock source of the CPU
clock and peripheral function clock.
The main clock oscillation circuit is configured by connecting an oscillator or resonator between the X
and X
oscillation circuit in stop mode to reduce power consumption. An external clock can be applied to the X
pin in the main clock oscillation circuit. Figure 9.9 shows an example of a main clock circuit connection.
Circuit constants vary depending on each oscillator. Use the circuit constant recommended by each oscil-
lator manufacturer.
The main clock divided-by-eight becomes a CPU clock source after reset.
To reduce power consumption, set the CM05 bit in the CM0 register to "1" (main clock stopped) after
switching the CPU clock source to the sub clock or on-chip oscillator clock. In this case, the clock applied
to X
an external clock is applied to the X
All clocks, including the main clock, stop in stop mode. Refer to 9.5 Power Consumption Control for
details.
0
1
4
0
3
G
J
OUT
(Built-in Feedback Resistor)
6
u
o r
0 -
. l
OUT
u
0
1
p
becomes high ("H"). X
, 7
0
1
Microcomputer
(
pins. The circuit has a built-in feedback resistor. The feedback resistor is separated from the
NOTES:
2
M
0
3
0
1. Place a damping resistor if required. Resistance values vary depending on the oscillator setting.
2
5
C
Use values recommended by each oscillator manufacturer.
Place a feedback resistor between X
placing the resistor externally.
X
8 /
V
OUT
Page 90
X
, 4
SS
IN
M
3
2
Oscillator
C
Rd
f o
8 /
(1)
4
4
) T
IN
9
5
is pulled up by X
IN
pin, do not set the CM05 bit to "1".
C
C
OUT
IN
IN
and X
(Built-in Feedback Resistor)
OUT
OUT
via the feedback resistor which remains on. When
Microcomputer
if the oscillator manufacturer recommends
X
OUT
X
IN
Open
V
V
CC
SS
External Clock
9. Clock Generation Circuit
IN
IN