CY8CTMG200-16LGXIT Cypress Semiconductor Corp, CY8CTMG200-16LGXIT Datasheet - Page 120

• Manufacturer Part Number: CY8CTMG200-16LGXIT
• Description: IC MCU 32K FLASH 16-COL
• Manufacturer: Cypress Semiconductor Corp
• Series: TrueTouch™r

Specifications of CY8CTMG200-16LGXIT

• Applications: Touchscreen Controller
• Core Processor: M8C
• Program Memory Type: FLASH (32 kB)
• Controller Series: CY8CT
• Ram Size: 2K x 8
• Interface: I²C, SPI, UART/USART, USB
• Number Of I /o: 13
• Voltage - Supply: 1.8 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-QFN
• Processor Series: CY8CTxx2xx
• Core: M8C
• Data Bus Width: 8 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

by the external master through a write command and if the
pointer value exceeds 1Fh, a NACK is sent.
The following diagram illustrates the bus communication for a data write, a data pointer write, and a data read operation.
Remember that a data write operation always rewrites the data pointer.
I2C Slave
120
S
S
S
Set Slave Data Pointer
Read x Bytes to I2C Slave
Write x Bytes to I2C Slave
A A A A A A A
6 5 4 3 2 1 0
A A A A A A A
6 5 4 3 2 1 0
A A A A A A A
6 5 4 3 2 1 0
Slave
Addr
Slave
Addr
Slave
Addr
R
W
R
W
R
W
A
A
A
R R R R R R R R
7 6 5 4 3 2 1 0
Figure 15-4. Two-Wire Interface Bus Communication
R R R R R R R R
7 6 5 4 3 2 1 0
R R R R R R R R
7 6 5 4 3 2 1 0
Address(n)
Address(n)
Data(n)
Data
Data
PSoC CY8CTMG20x and CY8CTST200 TRM, Document No. 001-53603 Rev. *C
A
A P
A
D D D D D D D D
7 6 5 4 3 2 1 0
D D D D D D D D
7 6 5 4 3 2 1 0
Data(n+1)
Data(n)
A
A
D D D D D D D D
7 6 5 4 3 2 1 0
D D D D D D D D
7 6 5 4 3 2 1 0
Data(n+1)
Data(n+2)
A
A
D D D D D D D D
7 6 5 4 3 2 1 0
D D D D D D D D
7 6 5 4 3 2 1 0
Data(n+x)
Data(n+x)
Legend
Master
Slave
A P
A P
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