Cypress CY8C24123A manual CY8C24423A 28-Pin PSoC Device, Active High External Reset with Internal

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CY8C24123A CY8C24223A, CY8C24423A

28-Pin Part Pinout

Table 5. Pin Definitions - 28-Pin PDIP, SSOP, and SOIC

Pin

Type

Pin

Description

No.

Digital Analog

Name

 

Figure 7. CY8C24423A 28-Pin PSoC Device

1

IO

I

P0[7]

Analog Column Mux Input

2

IO

IO

P0[5]

Analog Column Mux Input and column

 

 

 

 

output

3

IO

IO

P0[3]

Analog Column Mux Input and Column

 

 

 

 

Output

4

IO

I

P0[1]

Analog Column Mux Input

5

IO

 

P2[7]

 

6

IO

 

P2[5]

 

7

IO

I

P2[3]

Direct Switched Capacitor Block Input

8

IO

I

P2[1]

Direct Switched Capacitor Block Input

9

Power

 

SMP

Switch Mode Pump (SMP) Connection to

 

 

 

 

External Components required

10

IO

 

P1[7]

I2C Serial Clock (SCL)

11

IO

 

P1[5]

I2C Serial Data (SDA)

12

IO

 

P1[3]

 

13

IO

 

P1[1]

Crystal Input (XTALin), I2C Serial Clock

 

 

 

 

(SCL), ISSP-SCLK*

14

Power

 

Vss

Ground connection.

15

IO

 

P1[0]

Crystal Output (XTALout), I2C Serial Data

 

 

 

 

(SDA), ISSP-SDATA*

16

IO

 

P1[2]

 

17

IO

 

P1[4]

Optional External Clock Input (EXTCLK)

18

IO

 

P1[6]

 

19

Input

 

XRES

Active High External Reset with Internal

 

 

 

 

Pull Down

20

IO

I

P2[0]

Direct Switched Capacitor Block Input

21

IO

I

P2[2]

Direct Switched Capacitor Block Input

22

IO

 

P2[4]

External Analog Ground (AGND)

23

IO

 

P2[6]

External Voltage Reference (VRef)

24

IO

I

P0[0]

Analog Column Mux Input

25

IO

I

P0[2]

Analog Column Mux Input

26

IO

I

P0[4]

Analog Column Mux Input

27

IO

I

P0[6]

Analog Column Mux Input

28

Power

 

Vdd

Supply Voltage

LEGEND: A = Analog, I = Input, and O = Output.

*These are the ISSP pins, which are not High Z at POR (Power On Reset). See the PSoC Pro- grammable Sytem-on-Chip Technical Reference Manual for details.

A, I,P0[7]

A,IO, P0[5]

A,IO, P0[3]

A,I, P0[1] P2[7] P2[5] A,I, P2[3]

A, I,P2[1]

SMP I2CSCL,P1[7] I2CSDA,P1[5] P1[3]

I2CSCL,XTALin,P1[1] Vss

1

 

28

 

 

 

 

Vdd

 

 

 

 

 

2

 

27

 

 

 

 

P0[6], A,I

 

 

 

 

 

3

 

26

 

 

 

 

P0[4], A,I

 

 

 

 

 

4

 

25

 

 

 

 

P0[2], A,I

 

 

 

 

 

5

PDIP

24

 

 

 

 

P0[0], A,I

 

 

 

 

6

23

 

 

 

 

P2[6],ExternalVRef

 

 

 

 

7

SSOP

22

 

 

 

 

P2[4],ExternalAGND

 

 

 

 

8

SOIC

21

 

 

 

 

P2[2], A,I

 

 

 

 

9

20

 

 

 

 

P2[0], A,I

 

 

 

 

10

 

19

 

 

 

 

XRES

 

 

 

 

 

11

 

18

 

 

 

 

P1[6]

 

 

 

 

 

12

 

17

 

 

 

 

P1[4],EXTCLK

 

 

 

 

 

13

 

16

 

 

 

 

P1[2]

 

 

 

 

 

14

 

15

 

 

 

 

P1[0],XTALout,I2CSDA

 

 

 

 

 

Document Number: 38-12028 Rev. *I

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Contents Logic Block Diagram FeaturesCypress Semiconductor Corporation 198 Champion Court PSoC Core PSoC Functional OverviewDigital System Analog System Block Diagram Analog SystemAdditional System Resources PSoC Device Characteristics PSoC PartGetting Started Consultants Technical Support Application NotesDevice Editor Development ToolsPSoC Designer Software Subsystems Design BrowserDevice Editor Designing with User ModulesHardware Tools Application EditorUnits of Measure Document ConventionsAcronyms Used Numeric Naming2PDIP PinoutsPin Part Pinoutt 3SOICSCL, ISSP-SCLK Pin Part PinoutPin Definitions 20-Pin PDIP, SSOP, and Soic SDA, ISSP-SDATAActive High External Reset with Internal CY8C24423A 28-Pin PSoC DeviceTo External Components required Switch Mode Pump SMP ConnectionPin Definitions 32-Pin QFN ExtclkOCD Not for ProductionOCD Hclk OCD CclkRegister Mapping Tables Register ReferenceRegister Conventions Abbreviations UsedName Addr Access Hex Register Map Bank 0 Table User SpaceRegister Map Bank 1 Table Configuration Space ACB01CR2 Cpuf CPUSCR1 CPUSCR0 Electrical Specifications Units of Measure Symbol Unit of MeasureOperating Temperature Symbol Description Min Typ Max Units Operating TemperatureAbsolute Maximum Ratings Symbol Description Min Typ Units Absolute Maximum RatingsDC Electrical Characteristics DC Chip-Level SpecificationsDC General Purpose IO Specifications DC Operational Amplifier Specifications Psrr OAAverage Input Offset Voltage Drift LPC supply current DC Low Power Comparator SpecificationsLow power comparator LPC reference Vdd Voltage range LPC voltage offset Document Number 38-12028 Rev. *IDC Analog Output Buffer Specifications Psrr OBDC Switch Mode Pump Specifications Switching Duty Cycle Switching Frequency MHzOutput Voltage Ripple depends on Agnd = 2 x BandGap BG + Agnd = P24 P24 = Vdd/2 DC Analog Reference SpecificationsBandgap Voltage Reference Agnd = Vdd/2 Agnd = 2 x BandGap Not Allowed Agnd = P24 P24 = Vdd/2CY8C24123A CY8C24223A, CY8C24423A DC Analog PSoC Block Specifications DC POR, SMP, and LVD SpecificationsDC Programming Specifications AC Chip-Level Specifications AC Electrical CharacteristicsDC24M DC12M MHz Refer to the AC Digital Block Nominal SpecificationsCPU Frequency 2.7V Nominal MHz Duty Cycle Jitter12M1P MHz Period Jitter IMOGain Enable32K Select AC General Purpose IO Specifications BW OA AC Operational Amplifier SpecificationsNoise at 1 kHz Power = Medium, Opamp Bias = High NV/rt-HzCY8C24123A CY8C24223A, CY8C24423A Typical Agnd Noise with P24 Bypass Crcprs AC Low Power Comparator SpecificationsAC Digital Block Specifications SpimPRS CRCLarge Signal Bandwidth, 1V pp, 3dB BW, 100 pF Load AC Analog Output Buffer SpecificationsBW OB AC External Clock Specifications AC Programming Specifications AC I2C SpecificationsBus Free Time Between a Stop and Start Condition Setup Time for Stop ConditionPulse Width of spikes are suppressed by Input filter Packaging Dimensions Packaging InformationPin 150-Mil Soic Pin 210-Mil Ssop 51-85014 *D Pin 5x5 mm QFN Pin Sawn QFN Package Typical Package Capacitance on Crystal Pins Capacitance on Crystal PinsSolder Reflow Peak Temperature Thermal ImpedancesDevelopment Kits Development Tool SelectionSoftware Evaluation ToolsDevice Programmers Accessories Emulation and ProgrammingEmulation and Programming Accessories Third Party Tools Build a PSoC Emulator into Your BoardOrdering Code Definitions Ordering InformationSawn QFN Document History Orig. Submission Description of Change DateWorldwide Sales and Design Support Products PSoC Solutions Sales, Solutions, and Legal InformationUSB

CY8C24123A specifications

The Cypress CY8C24123A is a prominent member of the PSoC (Programmable System-on-Chip) family, which integrates a microcontroller with programmable analog and digital components on a single chip. Designed for low-power applications, the CY8C24123A offers a compelling mix of features and technologies that make it a popular choice for embedded system developers.

One of the standout features of the CY8C24123A is its low power consumption, which allows it to extend battery life in portable applications. It operates at a voltage range of 1.71V to 5.5V, making it versatile for various power supply options. This device is equipped with a 24 MHz CPU that efficiently executes tasks while keeping energy usage minimal.

The chip boasts a rich set of programmable peripherals, including analog components such as operational amplifiers, comparators, and DACs, enabling designers to create custom signal processing pathways. These features are complemented by a variety of digital peripherals, like timers, UART, I2C, and SPI interfaces, which facilitate communication with other devices and microcontrollers. The integration of these components reduces the need for external components, leading to a more compact design and lower overall system costs.

Moreover, the CY8C24123A includes Flash memory (up to 2 KB) and SRAM (256 bytes), providing ample storage for application code and data. This Flash memory is reprogrammable, enabling developers to update their applications easily without needing to replace the chip.

Another defining characteristic of the CY8C24123A is its programmability. The device can be configured and programmed using the Cypress PSoC Designer software, which allows developers to design and simulate their applications in a user-friendly environment. The combination of hardware-based flexibility and software configuration provides a robust platform for creating custom solutions tailored to specific application requirements.

Overall, the Cypress CY8C24123A stands out for its balance of performance, programmability, and power efficiency. Its integration of programmable analog and digital blocks makes it suitable for a wide range of applications, including industrial control, consumer electronics, and automotive systems. The ability to customize the chip's functionality further boosts its appeal, making it an excellent choice for developers seeking a versatile and efficient solution for their embedded projects.
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