PIC16F73-I/SO Microchip Technology Inc., PIC16F73-I/SO Datasheet - Page 61

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PIC16F73-I/SO

Manufacturer Part Number
PIC16F73-I/SO
Description
28 PIN, 7 KB FLASH, 192 RAM, 22 I/O
Manufacturer
Microchip Technology Inc.
Datasheet

Specifications of PIC16F73-I/SO

A/d Inputs
5-Channel, 8-Bit
Cpu Speed
5 MIPS
Eeprom Memory
0 Bytes
Input Output
22
Interface
I2C/SPI/USART
Memory Type
Flash
Number Of Bits
8
Package Type
28-pin SOIC
Programmable Memory
7K Bytes
Ram Size
192 Bytes
Speed
20 MHz
Timers
2-8-bit, 1-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part Electrostatic Device

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9.0
9.1
The Synchronous Serial Port (SSP) module is a serial
interface useful for communicating with other periph-
eral or microcontroller devices. These peripheral
devices may be Serial EEPROMs, shift registers, dis-
play drivers, A/D converters, etc. The SSP module can
operate in one of two modes:
• Serial Peripheral Interface (SPI)
• Inter-Integrated Circuit (I
An overview of I
tion on the SSP module can be found in the PICmicro™
Mid-Range
(DS33023).
Refer to Application Note AN578, “Use of the SSP
Module
(DS00578).
 2002 Microchip Technology Inc.
SYNCHRONOUS SERIAL PORT
(SSP) MODULE
SSP Module Overview
in
the
MCU
2
C operations and additional informa-
I
2
C
Family
Multi-Master
2
C)
Reference
Environment”
Manual
9.2
This section contains register definitions and opera-
tional characteristics of the SPI module. Additional
information on the SPI module can be found in the
PICmicro™ Mid-Range MCU Family Reference Man-
ual (DS33023A).
SPI mode allows 8 bits of data to be synchronously
transmitted and received simultaneously. To accom-
plish communication, typically three pins are used:
• Serial Data Out (SDO) RC5/SDO
• Serial Data In (SDI) RC4/SDI/SDA
• Serial Clock (SCK) RC3/SCK/SCL
Additionally, a fourth pin may be used when in a Slave
mode of operation:
• Slave Select (SS) RA5/SS/AN4
When initializing the SPI, several options need to be
specified. This is done by programming the appropriate
control bits in the SSPCON register (SSPCON<5:0>)
and SSPSTAT<7:6>. These control bits allow the fol-
lowing to be specified:
• Master mode (SCK is the clock output)
• Slave mode (SCK is the clock input)
• Clock Polarity (IDLE state of SCK)
• Clock edge (output data on rising/falling edge of
• Clock Rate (Master mode only)
• Slave Select mode (Slave mode only)
SCK)
SPI Mode
PIC16F7X
DS30325B-page 59

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