PRELIMINARY
PSoC®3: CY8C38 Family Data Sheet
Content Overview
1. Architectural Overview .................................................. 3
2. Pinouts ............................................................................ 5
3. Pin Descriptions ........................................................... 10
4. CPU ................................................................................ 10
4.1 8051 CPU .............................................................. 10
4.2 Addressing Modes ................................................. 10
4.3 Instruction Set ....................................................... 11
4.4 DMA and PHUB .................................................... 15
4.5 Interrupt Controller ................................................ 17
5. Memory .......................................................................... 17
5.1 Static RAM ............................................................ 17
5.2 Flash Program Memory ......................................... 17
5.3 Flash Security ........................................................ 18
5.4 EEPROM ............................................................... 18
5.5 External Memory Interface .................................... 18
5.6 Memory Map ......................................................... 19
6. System Integration ....................................................... 22
6.1 Clocking System .................................................... 22
6.2 Power System ....................................................... 25
6.3 Reset ..................................................................... 27
6.4 I/O System and Routing ........................................ 29
7. Digital Subsystem ........................................................ 35
7.1 Example Peripherals ............................................. 35
7.2 Universal Digital Block ........................................... 39
7.3 UDB Array Description .......................................... 42
7.4 DSI Routing Interface Description ......................... 43
7.5 CAN ....................................................................... 44
7.6 USB ....................................................................... 46
7.7 Timers, Counters, and PWMs ............................... 47
7.8 I2C ......................................................................... 47
7.9 Digital Filter Block .................................................. 48
8. Analog Subsystem ....................................................... 48
8.1 Analog Routing ...................................................... 49
8.2 Delta-Sigma ADC .................................................. 51
8.3 Comparators .......................................................... 52
8.4 Opamps ..................................................................53
8.5 Programmable SC/CT Blocks ................................53
8.6 LCD Direct Drive ....................................................55
8.7 CapSense ...............................................................56
8.8 Temp Sensor ..........................................................56
8.9 DAC ........................................................................56
8.10 Up/Down Mixer .....................................................56
8.11 Sample and Hold ..................................................57
9. Programming, Debug Interfaces, Resources ..............57
9.1 JTAG Interface .......................................................58
9.2 Serial Wire Debug Interface ...................................58
9.3 Debug Features ......................................................58
9.4 Trace Features .......................................................58
9.5 Single Wire Viewer Interface ..................................58
9.6 Programming Features ...........................................58
9.7 Device Security ......................................................58
10. Development Support .................................................59
10.1 Documentation .....................................................59
10.2 Online ...................................................................59
10.3 Tools .....................................................................59
11. Electrical Specifications .............................................60
11.1 Absolute Maximum Ratings ..................................60
11.2 Device Level Specifications ..................................61
11.3 Power Regulators .................................................64
11.4 Inputs and Outputs ...............................................66
11.5 Analog Peripherals ...............................................70
11.6 Digital Peripherals ................................................79
11.7 Memory ................................................................82
11.8 PSoC System Resources .....................................88
11.9 Clocking ................................................................90
12. Ordering Information ...................................................93
12.1 Part Numbering Conventions ...............................95
13. Packaging .....................................................................96
14. Revision History ..........................................................99
15. Sales, Solutions, and Legal Information .................100
Document Number: 001-11729 Rev. *I
Page 2 of 100
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