ML610Q429-NNNTBZ03A7 Rohm Semiconductor, ML610Q429-NNNTBZ03A7 Datasheet - Page 214

• Manufacturer Part Number: ML610Q429-NNNTBZ03A7
• Description: MCU 8BIT 48K FLASH 128-TQFP
• Manufacturer: Rohm Semiconductor

Specifications of ML610Q429-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: 20
• 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: -

14.3.2
Figures 14-2 to 14-4 show the operation timing and control method for each communication mode.
Transmission
Register
I2C0INT
Register
I2C0INT
I2C0INT
I2C0RD
I2C0RD
Register
I2C0RD
setting
setting
setting
I20ST
I20ST
I20ST
SDA
SDA
Figure 14-4 Operation Timing at Data Transmit/Receive Mode (Write/Read) Switching
SDA
Communication Operation Timing
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
Figure 14-2 Operation Timing in Data Transmit Mode (Write)
A
5
Figure 14-3 Operation Timing in Data Receive Mode (Read)
A
A
4
4
condition
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
Value of
I2C0TD
W
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
14 – 10
A
I2C0SA=”xxxxxxx1B”
I2C0CON=”05H”
D
D
0
0
S
r
Value of I2C0TD
condition
Value of I2C0SA
Restart
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
ML610Q428/ML610Q429 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
Value of
I2C0TD
Receive data
D
D
7
7
acknowledgment
Chapter 14 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
I2C0CON=”02H”
Value of I2C0TD
Receive data
I2C0CON=”02H”
P
2
Transmission of
C Bus Interface
P
P
A