ML610Q428-NNNTBZ03A7 Rohm Semiconductor, ML610Q428-NNNTBZ03A7 Datasheet - Page 379

• Manufacturer Part Number: ML610Q428-NNNTBZ03A7
• Description: MCU 8BIT 48K FLASH 128-TQFP
• Manufacturer: Rohm Semiconductor

Specifications of ML610Q428-NNNTBZ03A7

• Core Processor: nX-U8/100
• Core Size: 8-Bit
• Speed: 4.2MHz
• Connectivity: I²C, SSP, UART/USART
• Peripherals: LCD, Melody Driver, POR, PWM, WDT
• Number Of I /o: 14
• Program Memory Size: 48KB (24K x 16)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 1.1 V ~ 3.6 V
• Data Converters: A/D 2x12b, 2x24b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 70°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

26.2 Description of Operation
V
V
oscillation mode or external clock mode or 2MHz CR oscillation mode. When high-speed oscillation stops, the
voltage becomes about 1.2V (Typ.).
V
system reset is released. As a result of release of STOP mode (generation of external interrupt), V
approx. 1.2 V(Typ.) and then approx. 0.6 V (Typ.) after 4096 low-speed oscillation clock (XTCLK) pulses are counted.
Figure 26-2 shows the operation waveforms of the power supply circuit.
DDL
DDL
DDX
Power supply for logic
low-speed oscillation
and V
becomes approx. 1.65 V (Typ.) when high-speed oscillation starts in crystal/ceramic oscillation mode or PLL
*1: Crystal/ceramic oscillation, PLL oscillation, External clock input mode, 2MHz CR oscillation (500 kHz CR oscillation not included)
becomes approx. 0.6 V (Typ.) after 4096 low-speed oscillation clock (XTCLK) pulses are counted after the
Power supply for
System reset
DDX
RESET_VRX
RESET
become approx. 1.2 V at a system reset.
V
V
DDX
DDL
_S
Figure 26-2 Operation Waveforms of Power Supply Circuit
Approx. 1.2V
Approx. 1.2V
Low-speed oscillation
4096-pulse count
Approx. 0.6V
STOP
mode
26 – 2
external interrupt
Generation of
Approx. 1.2V
Low-speed oscillation
4096-pulse count
ML610Q428/ML610Q429 User’s Manual
Start of high-speed
Chapter 26 Power Supply Circuit
oscillation*1
Approx. 0.6V
Approx. 1.65V
Stop of high-speed
oscillation*1
DDX
Approx. 1.2V
becomes