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W567S030 Datasheet(PDF) 4 Page - Winbond |
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W567S030 Datasheet(HTML) 4 Page - Winbond |
4 / 13 page W567SXXX - 4 - 3. PIN DESCRIPTION PIN NAME I/O FUNCTION RESETB In IC reset input, low active. XIN In 32 KHz crystal oscillator with divider for time-keeping application XOUT Out 32 KHz crystal oscillator with divider for time-keeping application OSC In Main-clock oscillation input. Only Ring type is used. Connect to GND via the oscillation resistor. IP0[3:0] / IP0[7:4] In General input port with pull-high selection. Each 2 input pins can be programmed to generate interrupt request and used to release IC from STOP mode. IP0[3:0] are used as the input of ADC. IP0.0 is the input pin of channel 0 and IP0.3 is the input pin of channel 3, and so on. BP0[7:0] I/O General input/output pins. When used as output pin, it can be open–drain or CMOS type and it can sink 8mA for high-current applications. When used as input pin, there may have a pull-high option and generate interrupt request to release IC from STOP mode. When BP0[7] is used as output pin, it can be the IR transmission carrier for IR applications. BP1[7:0] I/O General input/output pins. When used as output pin, it can be open–drain or CMOS type. When used as input pin, there may have a pull-high option and generate interrupt request to release IC from STOP mode. When serial interface is enabled, BP1[6:4] are used as serial interface pins. BP2[7:0] I/O General input/output pins. When used as output pin, it can be open–drain or CMOS type. When used as input pin, there may have a pull-high option and generate interrupt request to release IC from STOP mode. 2VRB Out Reference-bottom voltage of ADC. Theoretically, the converted codes 0 ~ 255 will be uniformly distributed between VRB and AVDD. Voltages below VRB will be mapped to code 0. 2CIN In Capacitor input for ADC. 2COUT Out Capacitor output for ADC. 2AVDD Out ADC regulator output voltage. DAC0 Out Current type DAC speaker output 0. DAC1 Out Current type DAC speaker output 1. TEST In Test input, internally pulled low. Do not connect during normal operation. VDD Power Positive power supply for µP and peripherals. VSS Power Negative power supply for µP and peripherals. 3VDDOSC Power Positive power supply for oscillation. 3VSSOSC Power Negative power supply for oscillation. 2VDDA Power Positive power supply for ADC module. 2VSSA Power Negative power supply for ADC module. 2 Only W567S301~S341 provides these pins for ADC application. 3 In order to get a stable oscillating frequency, W567S080~S341 provides these pins for power supply. |
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