PIC18F2321-E/SS Microchip Technology, PIC18F2321-E/SS Datasheet - Page 167
![no-image](/images/manufacturer_photos/0/4/439/microchip_technology_sml.jpg)
PIC18F2321-E/SS
Manufacturer Part Number
PIC18F2321-E/SS
Description
8KB, Flash, 512bytes-RAM, 25I/O, 8-bit Family,nanoWatt 28 SSOP .209in TUBE
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F2221-ISO.pdf
(402 pages)
3.PIC18F2221-ISO.pdf
(8 pages)
4.PIC18F2221-ISO.pdf
(30 pages)
5.PIC18F2221-ISO.pdf
(46 pages)
Specifications of PIC18F2321-E/SS
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
25
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
28-SSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC18F2321-E/SS
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PIC18F2221-ISO PDF datasheet #2
- PIC18F2221-ISO PDF datasheet #3
- PIC18F2221-ISO PDF datasheet #4
- PIC18F2221-ISO PDF datasheet #5
- Current page: 167 of 402
- Download datasheet (7Mb)
18.0
18.1
The Master Synchronous Serial Port (MSSP) module is
a serial interface, useful for communicating with other
peripheral or microcontroller devices. These peripheral
devices may be serial EEPROMs, shift registers,
display drivers, A/D converters, etc. The MSSP module
can operate in one of two modes:
• Serial Peripheral Interface (SPI)
• Inter-Integrated Circuit (I
The I
hardware:
• Master mode
• Multi-Master mode
• Slave mode
18.2
The MSSP module has three associated registers.
These include a status register (SSPSTAT) and two
control registers (SSPCON1 and SSPCON2). The use
of these registers and their individual Configuration bits
differ significantly depending on whether the MSSP
module is operated in SPI or I
Additional details are provided under the individual
sections.
© 2009 Microchip Technology Inc.
- Full Master mode
- Slave mode (with address masking for both
10-bit and 7-bit addressing)
2
C interface supports the following modes in
MASTER SYNCHRONOUS
SERIAL PORT (MSSP)
MODULE
Master SSP (MSSP) Module
Overview
Control Registers
PIC18F2221/2321/4221/4321 FAMILY
2
C™)
2
C mode.
18.3
The SPI mode allows 8 bits of data to be synchronously
transmitted and received simultaneously. All four SPI
modes are supported. To accomplish communication,
typically three pins are used:
• Serial Data Out (SDO) – SDO
• Serial Data In (SDI) – SDI/SDA
• Serial Clock (SCK) – SCK/SCL
Additionally, a fourth pin may be used when in a Slave
mode of operation:
• Slave Select (SS)
Figure 18-1 shows the block diagram of the MSSP
module when operating in SPI mode.
FIGURE 18-1:
SCK/SCL
SDI/SDA
SDO
SS
SPI Mode
Read
SS Control
Select
SMP:CKE
Edge
MSSP BLOCK DIAGRAM
(SPI MODE)
Select
bit 0
Edge
Enable
TRIS bit
Data to TX/RX in SSPSR
SSPBUF reg
2
SSPSR reg
SSPM<3:0>
Clock Select
4
2
DS39689F-page 167
(
Prescaler
4, 16, 64
TMR2 Output
Write
Clock
Shift
Data Bus
Internal
2
T
OSC
)
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