M30263F6AFP#U3 Renesas Electronics America, M30263F6AFP#U3 Datasheet - Page 321

• Manufacturer Part Number: M30263F6AFP#U3
• Description: MCU 3/5V 48K I TEMP PB-FREE 42-S
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/Tiny/26r

Specifications of M30263F6AFP#U3

• Core Processor: M16C/60
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, IEBus, SIO, UART/USART
• Peripherals: DMA, PWM, Voltage Detect, WDT
• Number Of I /o: 33
• Program Memory Size: 48KB (48K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 42-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

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5. Wait until the main clock oscillation stabilization time, before switching the CPU clock source to the
6. Suggestions to reduce power consumption
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(a) Ports
(b) A/D converter
(c) Stopping peripheral functions
(d) Switching the oscillation-driving capacity
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main clock.
clock.
Similarly, wait until the sub clock oscillates stably before switching the CPU clock source to the sub
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The processor retains the state of each I/O port even when it goes to wait mode or to stop mode. A
current flows in active I/O ports. A dash current may flow through the input ports in high impedance
state, if the input is floating. When entering wait mode or stop mode, set non-used ports to input and
stabilize the potential.
When A/D conversion is not performed, set the VCUT bit in the ADCON1 register to “0” (no V
connection). When A/D conversion is performed, start the A/D conversion at least 1 s or longer after
setting the VCUT bit to “1” (V
Use the CM02 bit in the CM0 register to stop the unnecessary peripheral functions during wait mode.
However, because the peripheral function clock (f
this measure is not conducive to reducing the power consumption of the chip. If low speed mode or
low power dissipation mode is to be changed to wait mode, set the CM02 bit to “0” (do not stop
peripheral function clocks in wait mode), before changing wait mode.
Set the driving capacity to “LOW” when oscillation is stable.
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19. Usage Notes
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