PIC12C672T-04/SM Microchip Technology, PIC12C672T-04/SM Datasheet - Page 302
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PIC12C672T-04/SM
Manufacturer Part Number
PIC12C672T-04/SM
Description
IC MCU OTP 2KX14 A/D 8-SOIJ
Manufacturer
Microchip Technology
Series
PIC® 12Cr
Datasheets
1.PIC16F688T-ISL.pdf
(688 pages)
2.PIC12CE673-10P.pdf
(129 pages)
3.PIC12CE673-10P.pdf
(14 pages)
Specifications of PIC12C672T-04/SM
Core Processor
PIC
Core Size
8-Bit
Speed
4MHz
Peripherals
POR, WDT
Number Of I /o
5
Program Memory Size
3.5KB (2K x 14)
Program Memory Type
OTP
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 4x8b
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
8-SOIC (5.3mm Width), 8-SOP, 8-SOEIAJ
For Use With
XLT08SO-1 - SOCKET TRANSITION 8SOIC 150/208AC164312 - MODULE SKT FOR PM3 16SOIC309-1048 - ADAPTER 8-SOIC TO 8-DIP309-1047 - ADAPTER 8-SOIC TO 8-DIP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Connectivity
-
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PICmicro MID-RANGE MCU FAMILY
17.4.2
DS31017A-page 17-26
GCEN (SSPCON2<7>)
SDA
SCL
SSPIF
SSPOV (SSPCON1<6>)
BF (SSPSTAT<0>)
General Call Address Support
S
The addressing procedure for the I
usually determines 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 acknowledge.
The general call address is one of eight addresses reserved for specific purposes by the I
tocol. It consists of all 0’s with R/W = 0.
The general call address is recognized when the General Call Enable bit (GCEN) is enabled
(SSPCON2<7> 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 hard-
ware.
If the general call address matches, the SSPSR is transferred to the SSPBUF, the BF flag bit is
set (eight bit), and on the falling edge of the ninth bit (ACK bit) the SSPIF interrupt flag bit is set.
When the interrupt is serviced. The source for the interrupt can be checked by reading the con-
tents of the SSPBUF to determine if the address was device specific 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 the
GCEN bit is set while the slave is configured 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
Figure 17-16: Slave Mode General Call Address Sequence (7 or 10-bit Address Mode)
1
2
General Call Address
3
(Figure
4
5
17-16).
6
Preliminary
7
R/W = 0
2
C bus is such that the first byte after the START condition
8
ACK
Address is compared to General Call Address
after ACK, set interrupt
9
D7
1
D6
2
Cleared in software
SSPBUF is read
Receiving data
D5
3
D4
4
D3
5
1997 Microchip Technology Inc.
D2
6
D1
7
D0
8
ACK
9
'0'
'1'
2
C pro-
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