Keypad Decoder and I/O Port ExpanderData Sheet ADP5586 Rev. 0 Document Feedback Information furnished by Analog Devices is believed to be accurate
ADP5586 Data Sheet Rev. 0 | Page 10 of 44 KEY SCAN CONTROL General The 10 input/output pins can be configured to decode a keypad matrix up to a maxi
Data Sheet ADP5586 Rev. 0 | Page 11 of 44 11148-010LOGIC EVENT543211098761514131211201918171625242322213029282726I/O CONFIGURATIONKEY EVENTGPI EVENT
ADP5586 Data Sheet Rev. 0 | Page 12 of 44 The EVENT_INT interrupt (Register 0x01, Bit 0) can be triggered by both press and release key events. As s
Data Sheet ADP5586 Rev. 0 | Page 13 of 44 GPI INPUT Each of the 10 input/output lines can be configured as a general-purpose logic input line using
ADP5586 Data Sheet Rev. 0 | Page 14 of 44 LOGIC BLOCK Several of the ADP5586 input/output lines can be used as inputs and outputs for implementing s
Data Sheet ADP5586 Rev. 0 | Page 15 of 44 RESET BLOCK The ADP5586 features a reset block that can generate reset con-ditions if certain events are de
ADP5586 Data Sheet Rev. 0 | Page 16 of 44 PULSE GENERATORS The ADP5586 contains two pulse generators that are suitable for driving indicator LED dri
Data Sheet ADP5586 Rev. 0 | Page 17 of 44 REGISTER INTERFACE Register access to the ADP5586 is acquired via its I2C-compatible serial interface. The
ADP5586 Data Sheet Rev. 0 | Page 18 of 44 Figure 27 shows a typical multibyte read sequence for reading internal registers. The cycle begins with a
Data Sheet ADP5586 Rev. 0 | Page 19 of 44 REGISTER MAP Table 7. Reg Addr Register Name R/W1 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit
ADP5586 Data Sheet Rev. 0 | Page 2 of 44 TABLE OF CONTENTS Features ...
ADP5586 Data Sheet Rev. 0 | Page 20 of 44 Reg Addr Register Name R/W1 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0x29 GPIO_INP_EN_A
Data Sheet ADP5586 Rev. 0 | Page 21 of 44 DETAILED REGISTER DESCRIPTIONS Note that all registers default to 0000 0000, unless otherwise specified. I
ADP5586 Data Sheet Rev. 0 | Page 22 of 44 Table 12. Event Decoding Event No. Meaning Event No. Meaning 0 No event 25 Key 25 (R4, C4) 1 Key 1
Data Sheet ADP5586 Rev. 0 | Page 23 of 44 FIFO_6 Register 0x08 Table 17. FIFO_6 Bit Descriptions Bits Bit Name Access Description 7 EVENT6_STATE
ADP5586 Data Sheet Rev. 0 | Page 24 of 44 FIFO_14, Register 0x10 Table 25. FIFO_14 Bit Descriptions Bits Bit Name Access Description 7 EVENT14_S
Data Sheet ADP5586 Rev. 0 | Page 25 of 44 GPI_STATUS_A, Register 0x15 Table 30. GPI_STATUS_A Bit Descriptions Bits Bit Name Access Description [7
ADP5586 Data Sheet Rev. 0 | Page 26 of 44 R_PULL_CONFIG_A, Register 0x17 Default = 0101 0101 Table 32. R_PULL_CONFIG_A Bit Descriptions Bits Bit Na
Data Sheet ADP5586 Rev. 0 | Page 27 of 44 R_PULL_CONFIG_D, Register 0x1A Default = 0000 0001 Table 35. R_PULL_CONFIG_D Bit Descriptions Bits Bit Na
ADP5586 Data Sheet Rev. 0 | Page 28 of 44 GPI_EVENT_EN_A, Register 0x1D Table 38. GPI_EVENT_EN_A Bit Descriptions Bits Bit Name Access Description [
Data Sheet ADP5586 Rev. 0 | Page 29 of 44 GPI_INTERRUPT_EN_A, Register 0x1F Table 40. GPI_INTERRUPT_EN_A Bit Descriptions Bits Bit Name Access De
Data Sheet ADP5586 Rev. 0 | Page 3 of 44 SPECIFICATIONS VDD = 1.8 V to 3.3 V, TA = TJ = −40°C to +85°C, unless otherwise noted.1 Table 1. Parameter
ADP5586 Data Sheet Rev. 0 | Page 30 of 44 DEBOUNCE_DIS_A, Register 0x21 Table 42. DEBOUNCE_DIS_A Bit Descriptions Bits Bit Name Access Description [
Data Sheet ADP5586 Rev. 0 | Page 31 of 44 GPO_DATA_OUT_B, Register 0x24 Table 45. GPO_DATA_OUT_B Bit Descriptions Bits Bit Name Access Descriptio
ADP5586 Data Sheet Rev. 0 | Page 32 of 44 GPIO_OUT_EN_A, Register 0x27 Table 48. GPIO_OUT_EN_A Bit Descriptions Bits Bit Name Access Description [7:
Data Sheet ADP5586 Rev. 0 | Page 33 of 44 GPIO_INP_EN_B, Register 0x2A Table 51. GPIO_INP_EN_B Bit Descriptions Bits Bit Name Access Description [7
ADP5586 Data Sheet Rev. 0 | Page 34 of 44 RESET_CFG, Register 0x2E Table 55. RESET_CFG Bit Descriptions Bits Bit Name Access Description 7 RESET_P
Data Sheet ADP5586 Rev. 0 | Page 35 of 44 PULSE_GEN_1_PERIOD, Register 0x30 Table 57. PULSE_GEN_1_PERIOD Bit Descriptions Bits Bit Name Access De
ADP5586 Data Sheet Rev. 0 | Page 36 of 44 PULSE_GEN_2_PERIOD, Register 0x33 Table 60. PULSE_GEN_2_PERIOD Bit Descriptions Bits Bit Name Access D
Data Sheet ADP5586 Rev. 0 | Page 37 of 44 PULSE_GEN_CONFIG, Register 0x35 Table 62. PULSE_GEN_CONFIG Bit Descriptions Bits Bit Name Access Descri
ADP5586 Data Sheet Rev. 0 | Page 38 of 44 LOGIC_FF_CFG, Register 0x37 Table 64. LOGIC_FF_CFG Bit Descriptions Bits Bit Name Access Description [7
Data Sheet ADP5586 Rev. 0 | Page 39 of 44 PIN_CONFIG_B, Register 0x3B Table 68. PIN_CONFIG_B Bit Descriptions Bits Bit Name Access Description [7:5
ADP5586 Data Sheet Rev. 0 | Page 4 of 44 I2C TIMING SPECIFICATIONS Table 2. Parameter Description Min Max Unit I2C TIMING SPECIFICATIONS Delay
ADP5586 Data Sheet Rev. 0 | Page 40 of 44 INT_EN, Register 0x3E Table 71. INT_EN Bit Descriptions Bits Bit Name Access Description [7:5] Reserve
Data Sheet ADP5586 Rev. 0 | Page 41 of 44 APPLICATIONS SCHEMATIC SDASCLRSTINTLOGICRESET GENOSCILLATORREGISTERSVDDGNDHOST PROCESSORKP/LOGIC OUTPUT/G
ADP5586 Data Sheet Rev. 0 | Page 42 of 44 OUTLINE DIMENSIONS 01-20-2011-AABCD0.5450.5000.455SIDE VIEW0.2300.2000.1700.3000.2600.220COPLANARITY0.05SE
Data Sheet ADP5586 Rev. 0 | Page 43 of 44 NOTES
ADP5586 Data Sheet Rev. 0 | Page 44 of 44 NOTES I2C refers to a communications protocol originally developed by P
Data Sheet ADP5586 Rev. 0 | Page 5 of 44 ABSOLUTE MAXIMUM RATINGS Table 3. Parameter Rating VDD to GND −0.3 V to +4 V SCL, SDA, RST, INT, R0, R1,
ADP5586 Data Sheet Rev. 0 | Page 6 of 44 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS INTRST/R51ABCD234C1R2VDDC2SDAR4C3R1SCLC4R0GNDC0R3BALL A1CORNERTO
Data Sheet ADP5586 Rev. 0 | Page 7 of 44 THEORY OF OPERATION 11148-004ROW 0SDAI2C INTERFACEI2C BUSY?OSCILLATORREGISTERSI/OCONFIGURATIONINTRST/R5*ROW
ADP5586 Data Sheet Rev. 0 | Page 8 of 44 DEVICE ENABLE When sufficient voltage is applied to VDD and the RST pin is driven with a logic high level, t
Data Sheet ADP5586 Rev. 0 | Page 9 of 44 FUNCTIONAL DESCRIPTION EVENT FIFO Before going into detail on the various blocks of the ADP5586, it is impo
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