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Details, datasheet, quote on part number:JunoA4UR8HC007-0A4
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Datasheet text preview:
JunoTM A4 UR8HC007-0A4 Extremely Low-Power Input Device and Power Management IC
HID & SYSTEM MANAGEMENT PRODUCTS, H/PC IC FAMILY DESCRIPTION The JunoTM A4 is a member of a series of input device and power management companion ICs for RISC-based portable systems. On a single IC, the JunoTM A4 integrates control of any 4-wire or 8-wire resistive touch screen, keyboard scanning, unique power management capabilities, a direct PS/2 port and plenty of General Purpose Input / Output (GPIO). The JunoTM A4 provides continuous operation between 3V and 5V and scans a fully programmable 8 X 16 keyboard matrix. The IC is equipped with a direct, extremely low-power PS/2 port for the hot-plug connection of an external PS/2 keyboard or mouse. The extremely low-power JunoTM A4 will power down even between key presses. Proprietary circuitry (patent pending) allows the IC to power down even when a PS/2 device is connected and active. Typical power consumption is less than 1 µA, a first for embedded ICs. The JunoTM A4 is equipped with a proprietary protocol developed specifically for RISC-based handheld machines. It interfaces the system via either asynchronous serial (UART) or the Serial Peripheral Interface (SPI). The integration of features, many of them programmable, on one IC increases flexibility and reduces component count and cost. FEATURES · Typically consumes less than 1µA · Scans an 8 x 16 keyboard matrix that supports Japanese, English and European keyboards · Interfaces any four-wire or eightwire resistive touch screen · Operates continuously between 3 Volts and 5 Volts · Offers unique power management capabilities that work in harmony with Windows® CE power modes · Always runs in "Stop" mode without data or event loss · Provides a direct, extremely lowpower PS/2 port for the hot-plug connection of an external keyboard or mouse · Uses proprietary circuitry, so "Stop" mode is entered even when PS/2 device is connected & active · GPIO pins provide interrupt at both falling and rising edge of signals, ideal for lid functions, power, ring indicators, docking signals, battery measurement, etc. · Has additional GPIO available for LEDs, switches, etc. · Offers internal control of LCD brightness/contrast, audio, etc. as well as four 10-bit A/D channels for power management monitoring · Provides programmable features that allow for maximum design differentiation without customization · Cost-effective, reducing overall system costs by integrating features that would typically require multiple components · Available in 80-pin 13 x 13 mm, 1.7mm high package to accommodate slim designs
APPLICATIONS · Jupiter-class devices · Professional H/PCs PIN ASSIGNMENTS
R2 R3 R4 R5 R6 R7 C0 C1 C2 C3 C4 C5 C6 C7 LEFT0/GIO60 LEFT1/GIO61 LEFT2/GIO62 LEFT3/GIO63 RIGHT0/GIO64 RIGHT1/GIO65
· H/PCs · Web phones, G3 terminals
60 61
R1 R0 BOT3/RIGHT BOT2/LEFT BOT1/BOT BOT0/TOP TOP3/RIGHTEN TOP2/LEFTEN TOP1/BOTEN TOP0/TOPEN VDD AVREF AVSS TOPAD BOTAD LEFTAD RIGHTAD C15 C14 GIO31/AD1
41 40
RIGHT2/GIO66 RIGHT3/GIO67 C8 C9 C10 C11 GIO00/LED0 GIO01/LED1 GIO02/LED2 GIO03/LED3 VSS OSCO OSCI C12 C13 RESET VSS1 LID PWROK MOSI/RXD
UR8HC007-0A4-FQ
80
GIO30/AD0 GIO43 GIO42/BLINKCANCEL GIO41/SW1/±INT1 TOUCHINT PS2CLK PS2DATA HSUS DA1/PWM1/GIO51 DA0/PWM0/GIO50
21 1
GIO11 GIO10 ATN/CTS SCLK/ISEL MISO/TXD SS/RTS
20
Juno is a trademark of Semtech Corporation. All other trademarks belong to their respective companies.
Copyright ©1998-2001 Semtech Corporation DOC8-007-0A4 -DS-105
1
www.semtech.com
ORDERING CODE
Package Options 80-pin, Plastic LQFP Other Materials JunoTM A4 Technical Reference Manual JunoTM A4 Eval. Kit Evaluation Kit Data Sheet Pitch in mm's 0.5 Type Document Evaluation Kit Document TA = 0° C to +75° C UR8HC007-0A4-FQ Order number DOC8-007-0A4-TR-XXX EVK8-007-0A4-XXX DOC8-007-0A4-EK-XXX
Note: XXX= denotes revision number
BLOCK DIAGRAM
SCLK / ISEL MOSI/RxD MISO/TxD SS/RTS ATN/CTS
Dual Mode Serial Communications Por t Direct PS/2 Port
PS/2 CLOCK PS/2 DATA
HID Manager
PWROK LID HSUS Power Management Unit
Configuration Status and Control Registers
Keyboard Matrix Scanner
ROW 0-7 COL 0-15
2
Analog Outputs PWM0-1 D/A0-1 GIO50-1
TouchScreen Port / GIO60-7
21
2
Analog Inputs A/D0-1 (Shared with GIO3)
GPIO
GIO30-31 / A/D0-1 GIO00-03 / LED0-3 GIO10-11 GIO41-43 / SW / INT
2
4
2
3
Copyright ©1998-2001 Semtech Corporation DOC8-007-0A4 -DS-105
2
www.semtech.com
PIN DEFINITIONS
Pin Numbers Mnemonic Power Supply VDD AVREF AVSS VSS VSS1 Reset _RESET QFP 71 72 73 30 24 Typ PWR AI PWR PWR PWR Name and Function Positive Supply Voltage Positive analog reference voltage Ground: analog signal Ground: negative supply voltage Auxiliary Ground; must be tied to pin 30 Controller hardware reset pin: when at low-level, this pin holds the JunoTM A4 in a reset state. This pin must be held at a logic-low until power supply voltage (VDD) reaches the minimum operating level (2.7V). Oscillator input: connect ceramic resonator with built-in load capacitors or CMOS clock from external oscillator Oscillator Output: connect ceramic resonator with built-in load capacitors or keep open if external oscillator is used
25
I
Oscillator pins OSCI
28
I
OSCO
29
O
Scanned matrix pins ROW0-ROW7 COL0-COL7 COL8-COL11 COL12-COL13 COL14-COL15
62-55 54-47 38-35 27-26 79-78
I I/nD
Row matrix outputs Column matrix outputs
Copyright ©1998-2001 Semtech Corporation DOC8-007-0A4 -DS-105
3
www.semtech.com
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