N567KXXX

Publication Release Date: Feb. 2014

- 7 -

Revision A12

4. PIN DESCRIPTION

PIN NAME

I/O

FUNCTION

/RESET

In

IC reset input with an internal pull-up resistor, low active.

OSCIN

I

Main-clock oscillation input for X

’tal mode. Build-in ROSC by mask option.

OSCOUT

O

Main-clock oscillation output for X

’tal.

IP00~IP07

In

General input port with pull-high selection. Each input pin can be

programmed to generate interrupt request and used to release IC from

STOP mode. It is provided in N567K240~K330 only.

BP00~BP07

I/O

General input/output pins. When used as output pin, it can be open

–drain

or CMOS type and it can sink 25mA 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 BP07 is used as output pin, it can be the IR transmission carrier for

IR applications.

Only for N567K240/280/330. BP00/02/04 can be set as 3-pin H/W PWM

output with 64-level resolution. They can be paired with BP01/03/05 (also

H/W PWM output) respectively with same or opposite phase of output

waveform.

BP10~BP17

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 management (SIM) is enabled, and set memory type

as W55F/W551C, BP10~12 are used to be an interface with the external

memory, W55Fxx or W551Cxxx. If set memory to SPI flash, BP10~13 are

used to be an interface.

BP20~BP27

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.

PWM+/DAC

O

PWM driver positive output or Current type DAC output

PWM-

O

PWM driver negative output

VDD

Power

Positive power supply for uP and peripherals.

VSS

Power

Negative power supply for uP and peripherals.

VDD_SPK

Power

Positive power supply for speaker driver.

VSS_SPK

Power

Negative power supply for speaker driver.

VDD_SIM

Power

Positive power supply for serial interface Management (SIM) BP10~13

Only providing in N567K240~N567K330. For non-SIM application, it

VDD_OSC

Power

Positive power supply for oscillator. Only providing in

N567K240~N567K330. It must be connected to VDD.

VSS_OSC

Power

Negative power supply for oscillator. Only providing in

N567K240~N567K330. This pad must be connected to VSS.