PIC17LC752T-08/L Microchip Technology, PIC17LC752T-08/L Datasheet - Page 144
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PIC17LC752T-08/L
Manufacturer Part Number
PIC17LC752T-08/L
Description
IC MCU OTP 8KX16 A/D 68PLCC
Manufacturer
Microchip Technology
Series
PIC® 17Cr
Specifications of PIC17LC752T-08/L
Core Processor
PIC
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
50
Program Memory Size
16KB (8K x 16)
Program Memory Type
OTP
Ram Size
678 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
68-PLCC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Quantity
Price
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Part Number:
PIC17LC752T-08/L
Manufacturer:
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PIC17C7XX
The SSPSTAT register gives the status of the data
transfer. This information includes detection of a START
or STOP bit, specifies if the received byte was data or
address if the next byte is the completion of 10-bit
address and if this will be a read or write data transfer.
The SSPBUF is the register to which transfer data is
written to or read from. The SSPSR register shifts the
data in or out of the device. In receive operations, the
SSPBUF and SSPSR create a doubled buffered
receiver. This allows reception of the next byte to begin
before reading the last byte of received data. When the
complete byte is received, it is transferred to the
SSPBUF register and flag bit SSPIF is set. If another
complete byte is received before the SSPBUF register
is read, a receiver overflow has occurred and bit
SSPOV (SSPCON1<6>) is set and the byte in the
SSPSR is lost.
The SSPADD register holds the slave address. In
10-bit mode, the user needs to write the high byte of the
address (1111 0 A9 A8 0). Following the high byte
address match, the low byte of the address needs to be
loaded (A7:A0).
DS30289B-page 144
15.2.1
In Slave mode, the SCL and SDA pins must be config-
ured as inputs. The MSSP module will override the
input state with the output data when required (slave-
transmitter).
When an address is matched or the data transfer after
an address match is received, the hardware automati-
cally will generate the acknowledge (ACK) pulse and
then load the SSPBUF register with the received value
currently in the SSPSR register.
There are certain conditions that will cause the MSSP
module not to give this ACK pulse. These are if either
(or both):
a)
b)
If the BF bit is set, the SSPSR register value is not
loaded into the SSPBUF, but bit SSPIF and SSPOV are
set. Table 15-2 shows what happens when a data
transfer byte is received, given the status of bits BF and
SSPOV. The shaded cells show the condition where
user software did not properly clear the overflow condi-
tion. Flag bit BF is cleared by reading the SSPBUF reg-
ister, while bit SSPOV is cleared through software.
The SCL clock input must have a minimum high and
low time for proper operation. The high and low times
of the I
the MSSP module, are shown in timing parameter #100
and parameter #101 of the Electrical Specifications.
The buffer full bit BF (SSPSTAT<0>) was set
before the transfer was received.
The overflow bit SSPOV (SSPCON1<6>) was
set before the transfer was received.
2
C specification, as well as the requirement of
SLAVE MODE
2000 Microchip Technology Inc.
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