CY8C3246LTI-121 Cypress Semiconductor Corp, CY8C3246LTI-121 Datasheet - Page 2

• Manufacturer Part Number: CY8C3246LTI-121
• Description: CY8C3246LTI-121
• Manufacturer: Cypress Semiconductor Corp
• Series: PSOC™ 3 CY8C32xxr

Specifications of CY8C3246LTI-121

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 50MHz
• Connectivity: EBI/EMI, I²C, LIN, SPI, UART/USART, USB
• Peripherals: CapSense, DMA, POR, PWM, WDT
• Number Of I /o: 25
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 1.71 V ~ 5.5 V
• Data Converters: A/D 2x12b, D/A 1x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Contents
1. Architectural Overview ..................................................... 3
2. Pinouts ............................................................................... 5
3. Pin Descriptions .............................................................. 10
4. CPU ................................................................................... 11
5. Memory ............................................................................. 22
6. System Integration .......................................................... 26
7. Digital Subsystem ........................................................... 40
8. Analog Subsystem .......................................................... 51
Document Number: 001-56955 Rev. *J
4.1 8051 CPU ................................................................. 11
4.2 Addressing Modes .................................................... 11
4.3 Instruction Set .......................................................... 12
4.4 DMA and PHUB ....................................................... 16
4.5 Interrupt Controller ................................................... 18
5.1 Static RAM ............................................................... 22
5.2 Flash Program Memory ............................................ 22
5.3 Flash Security ........................................................... 22
5.4 EEPROM .................................................................. 22
5.5 Nonvolatile Latches (NVLs) ...................................... 23
5.6 External Memory Interface ....................................... 24
5.7 Memory Map ............................................................ 24
6.1 Clocking System ....................................................... 26
6.2 Power System .......................................................... 29
6.3 Reset ........................................................................ 33
6.4 I/O System and Routing ........................................... 34
7.1 Example Peripherals ................................................ 41
7.2 Universal Digital Block .............................................. 44
7.3 UDB Array Description ............................................. 47
7.4 DSI Routing Interface Description ............................ 47
7.5 USB .......................................................................... 49
7.6 Timers, Counters, and PWMs .................................. 49
7.7 I
8.1 Analog Routing ......................................................... 52
8.2 Delta-sigma ADC ...................................................... 54
8.3 Comparators ............................................................. 55
8.4 LCD Direct Drive ...................................................... 57
8.5 CapSense ................................................................. 57
2
C ............................................................................ 49
9. Programming, Debug Interfaces, Resources ................ 59
10. Development Support ................................................... 61
11. Electrical Specifications ............................................... 62
12. Ordering Information ................................................... 106
13. Packaging ..................................................................... 109
14. Acronyms ..................................................................... 112
15. Reference Documents ................................................. 113
16. Document Conventions .............................................. 114
17. Revision History .......................................................... 115
18. Sales, Solutions, and Legal Information ................... 119
8.6 Temp Sensor ............................................................ 57
8.7 DAC .......................................................................... 58
9.1 JTAG Interface ......................................................... 59
9.2 Serial Wire Debug Interface ..................................... 59
9.3 Debug Features ........................................................ 59
9.4 Trace Features ......................................................... 59
9.5 Single Wire Viewer Interface .................................... 60
9.6 Programming Features ............................................. 60
9.7 Device Security ........................................................ 60
10.1 Documentation ....................................................... 61
10.2 Online ..................................................................... 61
10.3 Tools ....................................................................... 61
11.1 Absolute Maximum Ratings .................................... 62
11.2 Device Level Specifications .................................... 63
11.3 Power Regulators ................................................... 67
11.1 Inputs and Outputs ................................................. 71
11.2 Analog Peripherals ................................................. 79
11.3 Digital Peripherals .................................................. 91
11.4 Memory .................................................................. 94
11.5 PSoC System Resources ..................................... 100
11.6 Clocking ................................................................ 102
12.1 Part Numbering Conventions ............................... 108
16.1 Units of Measure .................................................. 114
PSoC
®
3: CY8C32 Family
Data Sheet
Page 2 of 119
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