CY8CTST200A-16LGXI Cypress Semiconductor Corp, CY8CTST200A-16LGXI Datasheet - Page 133
CY8CTST200A-16LGXI
Manufacturer Part Number
CY8CTST200A-16LGXI
Description
CY8CTST200A-16LGXI
Manufacturer
Cypress Semiconductor Corp
Series
TrueTouch™r
Datasheet
1.CY8CTST200-16LGXI.pdf
(308 pages)
Specifications of CY8CTST200A-16LGXI
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
*
Package / Case
*
Processor Series
CY8CTxx2xxA
Core
M8C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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15.4.6
In compatibility mode, the SCL, as usual, is pulled low until the CPU responds by setting the Transmit/Receive bit and for
loading a byte in the I2C_DATA register (in case of transmit operation) even though IMO is operational.
trates the process of switching from direct clocking to sampled mode.
See the following notes regarding
PSoC CY8CTMG20x and CY8CTST200 TRM, Document No. 001-53603 Rev. *C
a. After, the address matches IRQ and a signal called switch_to_sample_mode are asserted asynchronously.
b. This IRQ goes as input to the sleep controller block. The sleep controller block wakes the system by clearing the sleep
c. After IMO is operational, the signal switch_to_sample_mode is registered and asserted high, indicating IMO is opera-
d. The state machines and other logic are put at appropriate states when switching to sample mode.
switch_to_sample_mode
rel_switch_sample_mode
bit.
tional. When this registered signal becomes high, the switch_to_sample_mode signal deasserts asynchronously.
SCL
IMO
SDA
IRQ
Compatibility Mode Configuration
Figure
Figure 15-13. Direct Clocking to Sample Mode Timing
15-13:.
released once CPU is operational and responds by setting the
transmit/receive bit. It thenloads the I2C_DATA register with a
SCL is released here if buffer mode is enabled, otherwise it is
byte if it is a transmit operation
Figure 15-13
I2C Slave
illus-
133
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