Description
9 Extendable Soft Addressing 9 Interrupt Pin (INT) 9 Write Disable Pin (WD) 9 External Reset Pin (XRES) 9 Working with PWMs 9
Register Mapping Table 11 Register Descriptions 11
Input Port Registers (00h
07h) 11 Output Port Registers (08h
0Fh) 11 Int.
17h) 12 Port Select Register (18h) 12 Interrupt Mask Port Register (19h) 12 Select PWM Register (1Ah) 12 Inversion Register (1Bh) 12 Port Direction Register (1Ch) 12 Drive Mode Regi
Features
- I2C interface logic electrically compatible with SMBus.
- Up to 20 (CY8C9520A), 40 (CY8C9540A), or 60 (CY8C9560A) I/O data pins independently configurable as inputs, outputs, Bi-directional input/outputs, or PWM outputs.
- 4/8/16 PWM sources with 8-bit resolution.
- Extendable soft addressing algorithm allowing flexible I2C
address configuration.
- Internal 3-/11-/27-Kbyte EEPROM.
- User default storage, I/O port settings in internal EEPROM.
- Optional EEPROM write disabl.