Datasheet for ADP5589ACBZ-00-R7:
- Manufacturer Part Number : ADP5589ACBZ-00-R7
- Manufacturer : AD
- Description : Keypad Decoder and I/O Expansion IC
- Series : ADP5589
- Reference Price : USD 0.792
- Our Price : We have a better price, contact us by email
- Product Type : Mobile I/O Expander & Keypad Controller
- Function : -
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 25-Ball WLCSP (1.99mm x 1.99mm)
- Pins : 25
- MFG Package Case : CB-25-5
- Part Type : REEL
- Standard Packing Type : Reel
- Standard Packing Quantity : 3000
- Working Temperature : -40 to 85C
- Other Part Number : ADP5589ACBZ-00-R7
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- 16-element FIFO for event recording
- 19 configurable I/Os allowing functions
- Keypad decoding for matrix up to 11 x 8
- Key press/release interrupts
- Key pad lock/unlock
- GPIO functions
- GPI with selectable interrupt level
- 100 kΩ/300 kΩ pull-up
- 300 kΩ pull-down
- GPO with push-pull or open drain
- Dual programmable logic blocks
- PWM generator
Internal PWM generation
AND internal with external PWM - Clock divider
- Reset generators
- I2C interface with Fast-mode plus (Fm+) support up to 1 Mbps
- Open-drain interrupt output
- 24-lead LFCSP
The ADP5589 is a 19 channel GPIO (General Purpose Input/Output) port expander with built-in keypad matrix decoder, programmable logic, reset logic, and PWM generator. The IC is capable of handling QWERTY size keyboards and GPIO expansion. I/O expander ICs are used in portable devices (phones, remote controls, & cameras) and non-portable applications (healthcare, industrial & instrumentation). I/O expanders can be used to increase the number of I/Os available to a processor or to reduce the number of I/Os required through interface connectors for front panel designs.
The ADP5589 handles all key scanning and decoding and can flag the main processor via an interrupt line that new key events have occurred. GPI changes and logic changes can also be tracked as events via the FIFO, eliminating the need to monitor different registers for event changes. The ADP5589 is equipped with a FIFO to store up to 16 events. Events can be read back by the processor via an I2C-compatible interface.
The ADP5589 frees up the main processor from having to monitor the keypad, thereby reducing power consumption and/or increasing processor bandwidth for performing other functions. The programmable logic functions allow common logic requirements to be integrated as part of the GPIO expander, saving board area and cost. Reference software Linux driver is available.
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.