M30840SGP#U5 Renesas Electronics America, M30840SGP#U5 Datasheet - Page 116

• Manufacturer Part Number: M30840SGP#U5
• Description: IC M32C/84 MCU ROMLESS 100LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M32C/80r

Specifications of M30840SGP#U5

• 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: 45
• Program Memory Type: ROMless
• Ram Size: 10K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 10x10b, D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 100-LQFP
• 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: -
• Program Memory Size: -

M
R
R
e
E
3
. v
J
2
Figure 9.11 Switching Procedure from On-chip Oscillator Clock to Main Clock
0
C
1
9
8 /
0 .
B
0
1
4
0
G
3
J
6
u
o r
0 -
. l
u
0
1
p
, 7
0
1
(
2
M
0
3
0
2
5
C
No
8 /
Page 93
, 4
M
3
(main clock as CPU clock source)
2
to "01000
Determine several times whether
C
Set the MCD4 to MCD0 bits
(main clock does not stop)
8 /
f o
Switch to the main clock
Set the CM22 bit to "0"
Set the CM21 bit to "0"
the CM23 bit is set to "0"
4
(main clock oscillates)
4
) T
9
5
2
" (divide-by-8 mode)
End
Yes
MCD4 to MCD0 bits : Bits in the MCD Register
CM23 to CM21 bits : Bits in the CM2 Register
9. Clock Generation Circuit