PIC16LC773-I/SO Microchip Technology, PIC16LC773-I/SO Datasheet - Page 69
![IC MCU OTP 4KX14 A/D PWM 28SOIC](/photos/6/59/65909/150-28-soic_sml.jpg)
PIC16LC773-I/SO
Manufacturer Part Number
PIC16LC773-I/SO
Description
IC MCU OTP 4KX14 A/D PWM 28SOIC
Manufacturer
Microchip Technology
Series
PIC® 16Cr
Specifications of PIC16LC773-I/SO
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
22
Program Memory Size
7KB (4K x 14)
Program Memory Type
OTP
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.5 V ~ 5.5 V
Data Converters
A/D 6x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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8.2.2
The addressing procedure for the I
the first byte after the START condition usually deter-
mines which device will be the slave addressed by the
master. The exception is the general call address which
can address all devices. When this address is used, all
devices should, in theory, respond with an acknowl-
edge.
The general call address is one of eight addresses
reserved for specific purposes by the I
consists of all 0’s with R/W = 0
The general call address is recognized when the Gen-
eral Call Enable bit (GCEN) is enabled (SSPCON2<7>
is set). Following a start-bit detect, 8-bits are shifted
into SSPSR and the address is compared against
SSPADD, and is also compared to the general call
address, fixed in hardware.
FIGURE 8-16: SLAVE MODE GENERAL CALL ADDRESS SEQUENCE (7 OR 10-BIT MODE)
1999 Microchip Technology Inc.
GCEN
(SSPCON2<7>)
SSPOV
(SSPCON<6>)
SDA
SCL
SSPIF
BF
(SSPSTAT<0>)
GENERAL CALL ADDRESS SUPPORT
S
1
2
General Call Address
2
C bus is such that
3
2
C protocol. It
4
Advance Information
5
6
7
R/W = 0
8
If the general call address matches, the SSPSR is
transfered to the SSPBUF, the BF flag is set (eighth bit),
and on the falling edge of the ninth bit (ACK bit) the
SSPIF flag is set.
When the interrupt is serviced. The source for the
interrupt can be checked by reading the contents of the
SSPBUF to determine if the address was device spe-
cific or a general call address.
In 10-bit mode, the SSPADD is required to be updated
for the second half of the address to match, and the UA
bit is set (SSPSTAT<1>). If the general call address is
sampled when GCEN is set while the slave is config-
ured in 10-bit address mode, then the second half of
the address is not necessary, the UA bit will not be set,
and the slave will begin receiving data after the
acknowledge
ACK
Address is compared to General Call Address
after ACK, set interrupt flag
9
D7
1
D6
2
Cleared in software
SSPBUF is read
(Figure
Receiving data
D5
3
D4
4
8-16).
D3
5
PIC16C77X
D2
6
D1
7
DS30275A-page 69
D0
8
ACK
9
’0’
’1’
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