PIC18LF2321-I/SS Microchip Technology, PIC18LF2321-I/SS Datasheet - Page 164
![IC PIC MCU FLASH 4KX16 28SSOP](/photos/6/81/68119/150-28-ssop_sml.jpg)
PIC18LF2321-I/SS
Manufacturer Part Number
PIC18LF2321-I/SS
Description
IC PIC MCU FLASH 4KX16 28SSOP
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)
6.PIC18F2321-IML.pdf
(396 pages)
Specifications of PIC18LF2321-I/SS
Core Size
8-Bit
Program Memory Size
8KB (4K x 16)
Core Processor
PIC
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
25
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SSOP
Controller Family/series
PIC18
No. Of I/o's
25
Eeprom Memory Size
256Byte
Ram Memory Size
512Byte
Cpu Speed
40MHz
No. Of Timers
4
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- PIC18F2221-ISO PDF datasheet #2
- PIC18F2221-ISO PDF datasheet #3
- PIC18F2221-ISO PDF datasheet #4
- PIC18F2221-ISO PDF datasheet #5
- PIC18F2321-IML PDF datasheet #6
- Current page: 164 of 396
- Download datasheet (7Mb)
registers in SPI mode operation. The SSPCON1 register
SSPSTAT are read-only. The upper two bits of the
SSPSTAT are read/write.
PIC18F4321 FAMILY
17.3.1
The MSSP module has four registers for SPI mode
operation. These are:
• MSSP Control Register 1 (SSPCON1)
• MSSP Status Register (SSPSTAT)
• Serial Receive/Transmit Buffer Register
• MSSP Shift Register (SSPSR) – Not directly
SSPCON1 and SSPSTAT are the control and status
is readable and writable. The lower 6 bits of the
REGISTER 17-1:
DS39689E-page 162
(SSPBUF)
accessible
REGISTERS
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
SSPSTAT: MSSP STATUS REGISTER (SPI MODE)
bit 7
SMP: Sample bit
SPI Master mode:
1 = Input data sampled at end of data output time
0 = Input data sampled at middle of data output time
SPI Slave mode:
SMP must be cleared when SPI is used in Slave mode.
CKE: SPI Clock Select bit
1 = Transmit occurs on transition from active to Idle clock state
0 = Transmit occurs on transition from Idle to active clock state
D/A: Data/Address bit
Used in I
P: Stop bit
Used in I
cleared.
S: Start bit
Used in I
R/W: Read/Write Information bit
Used in I
UA: Update Address bit
Used in I
BF: Buffer Full Status bit (Receive mode only)
1 = Receive complete, SSPBUF is full
0 = Receive not complete, SSPBUF is empty
Legend:
R = Readable bit
-n = Value at POR
R/W-0
Note:
SMP
2
2
2
2
2
C™ mode only.
C mode only. This bit is cleared when the MSSP module is disabled, SSPEN is
C mode only.
C mode only.
C mode only.
Polarity of clock state is set by the CKP bit (SSPCON1<4>).
R/W-0
CKE
W = Writable bit
‘1’ = Bit is set
Preliminary
R-0
D/A
R-0
SSPSR is the shift register used for shifting data in or
out. SSPBUF is the buffer register to which data bytes
are written to or read from.
In receive operations, SSPSR and SSPBUF together
create a double-buffered receiver. When SSPSR
receives a complete byte, it is transferred to SSPBUF
and the SSPIF interrupt is set.
During transmission, the SSPBUF is not double-
buffered. A write to SSPBUF will write to both SSPBUF
and SSPSR.
P
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R-0
S
R/W
R-0
© 2007 Microchip Technology Inc.
x = Bit is unknown
R-0
UA
R-0
BF
bit 0
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