N55P242 Datasheet (8 - 24 I/O EXPANDER)

Part: N55P242
Manufacturer: Nuvoton Technology
Size: 602.23 KB

N55P242 Key Features

Wide range of operating voltage
2.0 ~ 5.5V
SPI interface in mode 0
4 SPI pins for munication
1 wakeup pad for the microcontroller
8~24 I/O pads
Bi-directional I/O pads
Status of each pad is independently controlled
Floating
Pull high

Related Nuvoton Technology Datasheets

Part Number	Description
N55P082	8 - 24 I/O EXPANDER
N55P162	8 - 24 I/O EXPANDER
N55PA01	1W PWM Power Amplifier
N551C161	16-Mbit Mask ROM
N551C321	32-Mbit Mask ROM

N55P242 Description

The N55Pxxx series is a general purpose programmable I/O device usable with different microprocessors through SPI interface. The N55Pxxx contains up to three 8-bit ports (BPA, BPB and BPC). There are 8~24 I/O pins which may be individually programmed for 6 separate mand groups.