Specifications

Cinterion
®
PLS62-W Hardware Interface Overview
2.1 Application Interface
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t PLS62-W_hio_v02.010a 2020-08-18
Public / Released
Page 19 of 50
2.1.6 I
2
C Interface
I
2
C is a serial, 8-bit oriented data transfer bus for bit rates up to 400kbps in Fast mode. It con-
sists of two lines, the serial data line I2CDAT and the serial clock line I2CCLK. The module acts
as a single master device, e.g. the clock I2CCLK is driven by the module. I2CDAT is a bi-direc-
tional line. Each device connected to the bus is software addressable by a unique 7-bit ad-
dress, and simple master/slave relationships exist at all times. The module operates as master-
transmitter or as master-receiver. The customer application transmits or receives data only on
request of the module.
The I
2
C interface can be powered via the V180 line of PLS62-W. If connected to the V180 line,
the I
2
C interface will properly shut down when the module enters the Power Down mode.
Note: Good care should be taken when creating the PCB layout of the host application: The
traces of I2CCLK and I2CDAT should be equal in length and as short as possible.
2.1.7 SPI Interface
Four PLS62-W GPIO interface lines can be configured as Serial Peripheral Interface (SPI). The
SPI is a synchronous serial interface for control and data transfer between PLS62-W and the
external application. Only one application can be connected to the SPI and the interface sup-
ports only master mode. The transmission rates are up to 6.5Mbit/s. The SPI interface compris-
es the two data lines SPI_MOSI and SPI_MISO, the clock line SPI_CLK a well as the chip
select line SPI_CS.
2.1.8 PWM Interfaces
The GPIO6 and GPIO7 interface lines can be configured as Pulse Width Modulation interface
lines PWM1 and PWM2. The PWM interface lines can be used, for example, to connect buzz-
ers. The PWM1 line is shared with GPIO7 and the PWM2 line is shared with GPIO6 (for GPIOs
see Section 2.1.5). GPIO and PWM functionality are mutually exclusive.
2.1.9 Pulse Counter
The GPIO8 line can be configured as pulse counter line COUNTER. The pulse counter inter-
face can be used, for example, as a clock (for GPIOs see Section 2.1.5).
2.1.10 Status LED
The GPIO5 interface line can be configured to drive a status LED that indicates different oper-
ating modes of the module (for GPIOs see Section 2.1.5). GPIO and LED functionality are mu-
tually exclusive.