M30800SAGP-BL#U5 Renesas Electronics America, M30800SAGP-BL#U5 Datasheet - Page 89

• Manufacturer Part Number: M30800SAGP-BL#U5
• Description: IC M32C/80 MCU ROMLESS 100LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M32C/80r

Specifications of M30800SAGP-BL#U5

• Core Processor: M16C/80
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, IEBus, SIO, UART/USART
• Peripherals: DMA, WDT
• Number Of I /o: 45
• Program Memory Type: ROMless
• Ram Size: 8K 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: -

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Figure 8.11 Switching Procedure from On-chip Oscillator Clock to Main Clock
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(main clock as CPU clock source)
to "01000
Determine several times whether
Set the MCD4 to MCD0 bits
(main clock does not stop)
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"
(main clock oscillates)
3
3
0
2
" (divide-by-8 mode)
End
Yes
MCD4 to MCD0: Bits in the MCD Register
CM23 to CM21: Bits in the CM2 Register
8. Clock Generation Circuit