M30833FJFP#U3 Renesas Electronics America, M30833FJFP#U3 Datasheet - Page 90

• Manufacturer Part Number: M30833FJFP#U3
• Description: IC M32C/83 MCU FLASH 100QFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M32C/80r

Specifications of M30833FJFP#U3

• Core Processor: M32C/80
• Core Size: 16/32-Bit
• Speed: 32MHz
• Connectivity: CAN, I²C, IEBus, SIO, UART/USART
• Peripherals: DMA, WDT
• Number Of I /o: 85
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 31K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 26x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-QFP
• For Use With: R0K330879S001BE - KIT DEV RSK M32C/87R0K330879S000BE - KIT DEV RSK M32C/87
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

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8. Clock Generation Circuit
8.1 Types of Clock Generation Circuits
e
E
3
. v
J
Table 8.1 Clock Generation Circuit Specifications
Other
2
Clock Frequency
Connectable
Oscillator or
Additional Circuit
Pins for
Oscillator or for
Additional Circuit
Oscillator State
After Reset
Use
Oscillation Stop/
Restart Function
0
Four circuits are incorporated to generate the system clock signal :
Table 8.1 lists specifications of the clock generation circuit. Figure 8.1 shows a block diagram of the clock
generation circuit. Figures 8.2 to 8.8 show registers controlling the clock.
1
9
C
3 .
B
• Main clock oscillation circuit
• Sub clock oscillation circuit
• On-chip oscillator
• PLL frequency synthesizer
8 /
0
1
3
0
3
Item
J
G
4
a
0 -
n
o r
3 .
1
u
, 1
3
p
1
2
(
M
0
0
3
6
2
• Ceramic resonator
• Crystal oscillator
be input
• CPU clock source
• Peripheral function
X
Available
Oscillating
External clock can
Up to 32 MHz
C
Oscillation Circuit
clock source
IN
8 /
Page 65
, X
Main Clock
, 3
OUT
M
3
2
C
f o
8 /
4
3
8
) T
8
be input. The PLL
frequency
synthesizer cannot
be used when using
the sub clock
oscillation circuit.
Available
External clock can
Stopped
• CPU clock source
• Timer A and B
• Crystal oscillator
X
32.768 kHz
Oscillation Circuit
clock source
CIN
Sub Clock
, X
COUT
• CPU clock source
• Peripheral function
oscillating, the on-chip
oscillator starts oscillating
automatically and
becomes the clock source
for the CPU and peripheral
functions
When the main clock stops
Approximatly 1 MHz
Available
Stopped
clock source
On-chip Oscillator
8. Clock Generation Circuit
• CPU clock source
• Peripheral function
• Low pass filter
The sub clock
cannot be used
when using the PLL
frequency
synthesizer
V
low pass filter)
P8
Available
Stopped
20 MHz to 32 MHz (
See Table 8.2)
clock source
COUT
PLL Frequency
6
Synthesizer
(connect to Vss)
(connect to