ML610Q422-NNNTBZ03A7 Rohm Semiconductor, ML610Q422-NNNTBZ03A7 Datasheet - Page 220

• Manufacturer Part Number: ML610Q422-NNNTBZ03A7
• Description: MCU 8BIT 32K FLASH 22CH 120-TQFP
• Manufacturer: Rohm Semiconductor
• Series: -r

Specifications of ML610Q422-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: 32KB (16K x 16)
• Program Memory Type: FLASH
• Eeprom Size: -
• Ram Size: 2K 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: 100-TFQFP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

15.3.2
Figures 15-2 to 15-4 show the operation timing and control method for each communication mode.
Transmission
Register
I2C0INT
Register
I2C0INT
I2C0RD
I2C0RD
Register
I2C0INT
I2C0RD
setting
setting
setting
I20ST
I20ST
I20ST
SDA
SDA
SDA
Communication Operation Timing
Figure 15-4 Operation Timing at Data Transmit/Receive (Write/Read) Switching
I2C0SA=”xxxxxxx1B”
I2C0CON=”01H”
I20CSA=”xxxxxxx0B”
I2C0CON=”01H”
Reception
I2C0SA=”xxxxxxx0B”
I2C0CON=”01H”
S A
S A
S A
Value of I2C0SA
Value of I2C0SA
Value of I2C0SA
6
6
6
A
A
5
5
A
5
A
A
4
4
Figure 15-2 Operation Timing in Data Transmit (Write)
condition
Figure 15-3 Operation Timing in Data Receive (Read)
Start
A
A
3
3
S
A
0
A
A
2
2
W
R
A
A
1
1
A
A
A
0
0
I2C0TD=”xxH”
I2C0CON=”01H”
Value of I2C0SA
W
W
Value of
I2C0TD
R
R
D
7
A
A
condition
D
6
Stop
I2C0TD=”xxH”
I2C0CON=”01H”
I2C0CON=”01H” I2C0CON=”01H” I2C0CON=”81H”
P
Receive data
Value of I2C0SA
Value of
I2C0TD
Value of I2C0SA
D
D
7
7
D
0
D
D
6
6
A
15 – 12
I2C0SA=”xxxxxxx1B”
I2C0CON=”05H”
D
Repeated start
D
0
0
S
r
Value of I2C0TD
condition
Value of I2C0SA
A
A
A
6
S
r
Value of I2C0TD
I2C0TD = ”xxH”
I2C0CON=”01H”
A
5
Receive data
Receive data
Value of
I2C0TD
D
D
7
7
D
D
6
6
acknowledgment
A
0
Reception of
ML610Q421/ML610Q422 User’s Manual
W
R
D
D
0
0
A
A
A
A
I2C0CON=”81H”
Receive data
Value of I2C0SA
Value of I2C0TD
I2C0TD=”xxH”
I2C0CON=”01H”
D
7
Receive data
Receive data
Value of
I2C0TD
D
D
7
7
acknowledgment
Chapter 15 I
Transmission of
D
6
D
D
6
6
A
D
0
D
D
0
0
A
A
A
I2C0CON=”02H”
non-acknowledgment
Receive data
Value of I2C0TD
I2C0CON=”02H”
Receive data
I2C0CON=”02H”
P
2
Transmission of
C Bus Interface
P
P
A