ML610Q409-NNNTBZ03A7 Rohm Semiconductor, ML610Q409-NNNTBZ03A7 Datasheet - Page 316

• Manufacturer Part Number: ML610Q409-NNNTBZ03A7
• Description: MCU 8BIT 16K FLASH 4CH 100-TQFP
• Manufacturer: Rohm Semiconductor
• Series: -r

Specifications of ML610Q409-NNNTBZ03A7

• Core Processor: nX-U8/100
• Core Size: 8-Bit
• Speed: 2MHz
• Connectivity: SSP, UART/USART
• Peripherals: LCD, Melody Driver, POR, PWM, WDT
• Number Of I /o: 22
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: -
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 1.25 V ~ 3.6 V
• Data Converters: A/D 2x16b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 70°C
• Package / Case: 100-TFQFP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Chapter 22 LCD Drivers
22.1.3 Configuration of the Bias Generation Circuit
The bias generation circuit generates LCD drive voltages (V
the voltage (V
When a system reset starts the bias generation circuit operation stops.
Figure 22-5-1 and 22-5-2 show the configuration of the bias generation circuit.
DDL
) generated by the voltage regulator circuit with the capacitor (C
C
C
C
V
V
V
Figure 22-5-1 Configuration of Bias Generation Circuit (1/3 Bias)
Cc
Ca
Cb
Ca
Cc
Cb
Cl
12
12
12
DD
DD
DD
V
V
V
V
V
V
V
V
V
V
V
C2
C1
V
C2
C1
V
C2
C1
V
DDL
DD
L3
L2
L1
L3
L2
L1
L3
L2
L1
SS
SS
SS
VDD = 1.25 to 3.6V, with LCD regulator
VDD = 1.6 to 3.6V, without LCD
VDD = 2.4 to 3.6V, without LCD
Bias generation
Bias generation
Bias generation
Voltage regulator
circuit
circuit
circuit
circuit
22-4
L1
to V
L3)
by multiplying the power supply voltage (V
Bias circuit ON selected
(BSON)
To LCD driver
(V
Bias circuit ON selected
(BSON)
To LCD driver
(V
Bias circuit ON selected
(BSON)
To LCD driver
(V
L1
L1
L1
c V
to V
to V
L3
12
L3
L3
)
).
)
)
DD
) or