PIC18LF1320-I/P Microchip Technology, PIC18LF1320-I/P Datasheet - Page 142
![IC MCU FLASH 4KX16 EEPROM 18DIP](/photos/6/76/67657/18-dip_300mil__sml.jpg)
PIC18LF1320-I/P
Manufacturer Part Number
PIC18LF1320-I/P
Description
IC MCU FLASH 4KX16 EEPROM 18DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F1220-ISO.pdf
(308 pages)
3.PIC18F1220-ISO.pdf
(8 pages)
4.PIC18F1220-ISO.pdf
(6 pages)
5.PIC18F1220-ISO.pdf
(10 pages)
6.PIC18F1220-ISO.pdf
(4 pages)
Specifications of PIC18LF1320-I/P
Core Size
8-Bit
Program Memory Size
8KB (4K x 16)
Core Processor
PIC
Speed
40MHz
Connectivity
UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
16
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 7x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
18-DIP (0.300", 7.62mm)
Controller Family/series
PIC18
No. Of I/o's
16
Eeprom Memory Size
256Byte
Ram Memory Size
256Byte
Cpu Speed
40MHz
No. Of Timers
4
Processor Series
PIC18LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
EUSART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
16
Number Of Timers
1 x 16 bit
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DM163014, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
7
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC18LF1320-I/P
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PIC18F1220-ISO PDF datasheet #2
- PIC18F1220-ISO PDF datasheet #3
- PIC18F1220-ISO PDF datasheet #4
- PIC18F1220-ISO PDF datasheet #5
- PIC18F1220-ISO PDF datasheet #6
- Current page: 142 of 308
- Download datasheet (5Mb)
implemented in software and stored as the 9th data bit.
PIC18F1220/1320
FIGURE 16-1:
16.3
The Asynchronous mode of operation is selected by
clearing the SYNC bit (TXSTA<4>). In this mode, the
EUSART uses standard Non-Return-to-Zero (NRZ) for-
mat (one Start bit, eight or nine data bits and one Stop
bit). The most common data format is 8 bits. An on-chip
dedicated 8-bit/16-bit Baud Rate Generator can be
used to derive standard baud rate frequencies from the
oscillator.
The EUSART transmits and receives the LSb first. The
EUSART’s transmitter and receiver are functionally
independent, but use the same data format and baud
rate. The Baud Rate Generator produces a clock, either
x16 or x64 of the bit shift rate, depending on the BRGH
and BRG16 bits (TXSTA<2> and BAUDCTL<3>). Parity
is not supported by the hardware, but can be
Asynchronous mode is available in all low-power
modes; it is available in Sleep mode only when auto-
wake-up on Sync Break is enabled. When in PRI_IDLE
mode, no changes to the Baud Rate Generator values
are required; however, other low-power mode clocks
may operate at another frequency than the primary
clock. Therefore, the Baud Rate Generator values may
need to be adjusted.
When operating in Asynchronous mode, the EUSART
module consists of the following important elements:
• Baud Rate Generator
• Sampling Circuit
• Asynchronous Transmitter
• Asynchronous Receiver
• Auto-Wake-up on Sync Break Character
• 12-bit Break Character Transmit
• Auto-Baud Rate Detection
DS39605F-page 140
Note 1:
BRG Value
BRG Clock
ABDEN bit
(Interrupt)
SPBRGH
RCIF bit
RCREG
SPBRG
RX pin
Read
EUSART Asynchronous Mode
The ABD sequence requires the EUSART module to be configured in Asynchronous mode and WUE = 0.
Set by User
XXXXh
AUTOMATIC BAUD RATE CALCULATION
0000h
Start
Bit 0
XXXXh
XXXXh
Edge #1
Bit 1
Bit 2
Edge #2
16.3.1
The EUSART transmitter block diagram is shown in
Figure 16-2. The heart of the transmitter is the Transmit
(Serial) Shift Register (TSR). The shift register obtains
its data from the Read/Write Transmit Buffer register,
TXREG. The TXREG register is loaded with data in
software. The TSR register is not loaded until the Stop
bit has been transmitted from the previous load. As
soon as the Stop bit is transmitted, the TSR is loaded
with new data from the TXREG register (if available).
Once the TXREG register transfers the data to the TSR
register (occurs in one T
empty and flag bit, TXIF (PIR1<4>), is set. This interrupt
can be enabled/disabled by setting/clearing enable bit,
TXIE (PIE1<4>). Flag bit, TXIF, will be set, regardless of
the state of enable bit, TXIE, and cannot be cleared in
software. Flag bit, TXIF, is not cleared immediately upon
loading the Transmit Buffer register, TXREG. TXIF
becomes valid in the second instruction cycle following
the load instruction. Polling TXIF immediately following a
load of TXREG will return invalid results.
While flag bit, TXIF, indicates the status of the TXREG
register, another bit, TRMT (TXSTA<1>), shows the
status of the TSR register. Status bit, TRMT, is a read-
only bit, which is set when the TSR register is empty.
No interrupt logic is tied to this bit, so the user has to
poll this bit in order to determine if the TSR register is
empty.
Note 1: The TSR register is not mapped in data
Bit 3
2: Flag bit, TXIF, is set when enable bit,
Bit 4
Edge #3
EUSART ASYNCHRONOUS
TRANSMITTER
memory, so it is not available to the user.
TXEN, is set.
Bit 5
Bit 6
Edge #4
© 2007 Microchip Technology Inc.
CY
), the TXREG register is
Bit 7
Stop Bit
Edge #5
Auto-Cleared
001Ch
1Ch
00h
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