PIC18F458-I/PTG Microchip Technology, PIC18F458-I/PTG Datasheet - Page 154
PIC18F458-I/PTG
Manufacturer Part Number
PIC18F458-I/PTG
Description
IC MCU FLASH 16KX16 44TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18LF242-ISO.pdf
(36 pages)
3.PIC18F248-ISO.pdf
(402 pages)
4.PIC18F248-ISO.pdf
(8 pages)
Specifications of PIC18F458-I/PTG
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
CAN, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
33
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- PIC16F616T-ISL PDF datasheet
- PIC18LF242-ISO PDF datasheet #2
- PIC18F248-ISO PDF datasheet #3
- PIC18F248-ISO PDF datasheet #4
- Current page: 154 of 402
- Download datasheet (7Mb)
17.4
The MSSP module in I
master and slave functions (including general call
support) and provides interrupts on Start and Stop bits
in hardware to determine a free bus (multi-master
function). The MSSP module implements the standard
mode specifications, as well as 7-bit and 10-bit
addressing.
Two pins are used for data transfer:
• Serial clock (SCL) – RC3/SCK/SCL
• Serial data (SDA) – RC4/SDI/SDA
The user must configure these pins as inputs or outputs
through the TRISC<4:3> bits.
FIGURE 17-7:
DS41159E-page 152
PIC18FXX8
RC3/SCK/
RC4/
SDI/
SDA
SCL
I
2
C Mode
Read
Shift
Clock
MSb
MSSP BLOCK DIAGRAM
(I
2
2
Stop bit Detect
Match Detect
SSPADD reg
SSPBUF reg
C mode fully implements all
C™ MODE)
SSPSR reg
Start and
LSb
Write
(SSPSTAT reg)
Internal
Data Bus
Set, Reset
S, P bits
Addr Match
17.4.1
The MSSP module has six registers for I
These are:
• MSSP Control Register 1 (SSPCON1)
• MSSP Control Register 2 (SSPCON2)
• MSSP Status Register (SSPSTAT)
• Serial Receive/Transmit Buffer (SSPBUF)
• MSSP Shift Register (SSPSR) – Not directly
• MSSP Address Register (SSPADD)
SSPCON1, SSPCON2 and SSPSTAT are the control
and status registers in I
SSPCON1 and SSPCON2 registers are readable and
writable. The lower 6 bits of the SSPSTAT are read-only.
The upper two bits of the SSPSTAT are read/write.
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.
SSPADD register holds the slave device address
when the SSP is configured in I
the SSP is configured in Master mode, the lower
seven bits of SSPADD act as the Baud Rate
Generator reload value.
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.
accessible
REGISTERS
© 2006 Microchip Technology Inc.
2
C mode operation. The
2
C Slave mode. When
2
C operation.
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