PIC18F2515-E/SO Microchip Technology, PIC18F2515-E/SO Datasheet - Page 157
PIC18F2515-E/SO
Manufacturer Part Number
PIC18F2515-E/SO
Description
IC MCU FLASH 24KX16 28SOIC
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC18F2221-ISO.pdf
(46 pages)
2.PIC18LF2410-ISO.pdf
(376 pages)
3.PIC18LF2410-ISO.pdf
(8 pages)
4.PIC18F2515-ISO.pdf
(16 pages)
5.PIC18F2515-ISO.pdf
(6 pages)
6.PIC18F2515-ISO.pdf
(8 pages)
Specifications of PIC18F2515-E/SO
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
48KB (24K x 16)
Program Memory Type
FLASH
Ram Size
3.8K 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-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
- PIC18F2221-ISO PDF datasheet
- PIC18LF2410-ISO PDF datasheet #2
- PIC18LF2410-ISO PDF datasheet #3
- PIC18F2515-ISO PDF datasheet #4
- PIC18F2515-ISO PDF datasheet #5
- PIC18F2515-ISO PDF datasheet #6
- Current page: 157 of 376
- Download datasheet (7Mb)
16.3.6
In Slave mode, the data is transmitted and received as
the external clock pulses appear on SCK. When the
last bit is latched, the SSPIF interrupt flag bit is set.
Before enabling the module in SPI Slave mode, the
clock line must match the proper Idle state. The clock
line can be observed by reading the SCK pin. The Idle
state is determined by the CKP bit (SSPCON1<4>).
While in Slave mode, the external clock is supplied by
the external clock source on the SCK pin. This external
clock must meet the minimum high and low times as
specified in the electrical specifications.
While in Sleep mode, the slave can transmit/receive
data. When a byte is received, the device will wake-up
from Sleep.
16.3.7
The SS pin allows a Synchronous Slave mode. The
SPI operation must be in Slave mode with SS pin
control enabled (SSPCON1<3:0> = 04h). When the SS
pin is low, transmission and reception are enabled and
FIGURE 16-4:
© 2009 Microchip Technology Inc.
SS
SCK
(CKP = 0
CKE = 0)
SCK
(CKP = 1
CKE = 0)
Write to
SSPBUF
SDO
SDI
(SMP = 0)
Input
Sample
(SMP = 0)
SSPIF
Interrupt
Flag
SSPSR to
SSPBUF
SLAVE MODE
SLAVE SELECT
SYNCHRONIZATION
SLAVE SYNCHRONIZATION WAVEFORM
bit 7
bit 7
bit 6
the SDO pin is driven. When the SS pin goes high, the
SDO pin is no longer driven, even if in the middle of a
transmitted byte and becomes a floating output.
External pull-up/pull-down resistors may be desirable
depending on the application.
When the SPI module resets, the bit counter is forced
to ‘0’. This can be done by either forcing the SS pin to
a high level or clearing the SSPEN bit.
To emulate two-wire communication, the SDO pin can
be connected to the SDI pin. When the SPI module
needs to operate as a receiver, the SDO pin can be
configured as an input. This disables transmissions
from the SDO. The SDI can always be left as an input
(SDI function) since it cannot create a bus conflict.
Note 1: When the SPI operation is in Slave mode
PIC18F2X1X/4X1X
2: If the SPI operation is used in Slave mode
with
(SSPCON<3:0> = 0100), the SPI module
will reset if the SS pin is set to V
with CKE set, then the SS pin control
must be enabled.
bit 7
bit 7
SS
pin
Next Q4 Cycle
after Q2↓
control
DS39636D-page 159
bit 0
bit 0
DD
enabled
.
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