PIC16C73A-04/SP Microchip Technology Inc., PIC16C73A-04/SP Datasheet - Page 94
![no-image](/images/manufacturer_photos/0/4/440/microchip_technology_inc__sml.jpg)
PIC16C73A-04/SP
Manufacturer Part Number
PIC16C73A-04/SP
Description
28 PIN, 7 KB OTP, 192 RAM, 22 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC16C73A-04SP.pdf
(289 pages)
Specifications of PIC16C73A-04/SP
A/d Inputs
5-Channel, 8-Bit
Cpu Speed
5 MIPS
Eeprom Memory
0 Bytes
Input Output
22
Interface
I2C/SPI/USART
Memory Type
OTP
Number Of Bits
8
Package Type
28-pin SPDIP
Programmable Memory
7K Bytes
Ram Size
192 Bytes
Speed
4 MHz
Timers
2-8-bit, 1-16-bit
Voltage, Range
2.5-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
- Current page: 94 of 289
- Download datasheet (3Mb)
PIC16C7X
11.5.1
In slave mode, the SCL and SDA pins must be config-
ured as inputs (TRISC<4:3> set). The SSP 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 SSP
module not to give this ACK pulse. These are if either
(or both):
a)
b)
In this case, the SSPSR register value is not loaded
into the SSPBUF, but bit SSPIF (PIR1<3>) is set.
Table 11-4 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 soft-
ware did not properly clear the overflow condition. Flag
bit BF is cleared by reading the SSPBUF register while
bit SSPOV is cleared through software.
The SCL clock input must have a minimum high and
low for proper operation. The high and low times of the
I
module is shown in timing parameter #100 and param-
eter #101.
11.5.1.1
Once the SSP module has been enabled, it waits for a
START condition to occur. Following the START condi-
tion, the 8-bits are shifted into the SSPSR register. All
incoming bits are sampled with the rising edge of the
clock (SCL) line. The value of register SSPSR<7:1> is
compared to the value of the SSPADD register. The
TABLE 11-4:
DS30390E-page 94
2
C specification as well as the requirement of the SSP
Transfer is Received
Status Bits as Data
The buffer full bit BF (SSPSTAT<0>) was set
before the transfer was received.
The overflow bit SSPOV (SSPCON<6>) was set
before the transfer was received.
BF
0
1
1
0
SLAVE MODE
ADDRESSING
SSPOV
DATA TRANSFER RECEIVED BYTE ACTIONS
0
0
1
1
SSPSR
Yes
No
No
No
SSPBUF
72 73 73A 74 74A 76 77
Applicable Devices
address is compared on the falling edge of the eighth
clock (SCL) pulse. If the addresses match, and the BF
and SSPOV bits are clear, the following events occur:
a)
b)
c)
d)
In 10-bit address mode, two address bytes need to be
received by the slave (Figure 11-16). The five Most Sig-
nificant bits (MSbs) of the first address byte specify if
this is a 10-bit address. Bit R/W (SSPSTAT<2>) must
specify a write so the slave device will receive the sec-
ond address byte. For a 10-bit address the first byte
would equal ‘1111 0 A9 A8 0’, where A9 and A8 are
the two MSbs of the address. The sequence of events
for 10-bit address is as follows, with steps 7- 9 for
slave-transmitter:
1.
2.
3.
4.
5.
6.
7.
8.
9.
Generate ACK
The SSPSR register value is loaded into the
SSPBUF register.
The buffer full bit, BF is set.
An ACK pulse is generated.
SSP interrupt flag bit, SSPIF (PIR1<3>) is set
(interrupt is generated if enabled) - on the falling
edge of the ninth SCL pulse.
Receive first (high) byte of Address (bits SSPIF,
BF, and bit UA (SSPSTAT<1>) are set).
Update the SSPADD register with second (low)
byte of Address (clears bit UA and releases the
SCL line).
Read the SSPBUF register (clears bit BF) and
clear flag bit SSPIF.
Receive second (low) byte of Address (bits
SSPIF, BF, and UA are set).
Update the SSPADD register with the first (high)
byte of Address, if match releases SCL line, this
will clear bit UA.
Read the SSPBUF register (clears bit BF) and
clear flag bit SSPIF.
Receive repeated START condition.
Receive first (high) byte of Address (bits SSPIF
and BF are set).
Read the SSPBUF register (clears bit BF) and
clear flag bit SSPIF.
Pulse
Yes
No
No
No
(SSP Interrupt occurs
1997 Microchip Technology Inc.
Set bit SSPIF
if enabled)
Yes
Yes
Yes
Yes
Related parts for PIC16C73A-04/SP
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![PIC16C73A-20/SP](/images/manufacturer_photos/0/4/440/microchip_technology_inc__tmb.jpg)
Part Number:
Description:
28 PIN, 7 KB OTP, 192 RAM, 22 I/O
Manufacturer:
Microchip Technology Inc.
Datasheet:
![PIC16C73-10/SP](/images/manufacturer_photos/0/4/440/microchip_technology_inc__tmb.jpg)
Part Number:
Description:
Manufacturer:
Microchip Technology Inc.
Datasheet:
![PIC16C54-HS/P](/images/manufacturer_photos/0/4/439/microchip_technology_tmb.jpg)
Part Number:
Description:
IC, 8BIT MCU, PIC16C, 40MHZ, DIP-18
Manufacturer:
Microchip Technology
Datasheet:
![PIC16C55-RC/P](/photos/7/29/72985/150-28-dip_wide_tmb.jpg)
Part Number:
Description:
IC, 8BIT MCU, PIC16C, 4MHZ, DIP-28
Manufacturer:
Microchip Technology
Datasheet:
![PIC16C55-XT/P](/photos/7/29/72985/150-28-dip_wide_tmb.jpg)
Part Number:
Description:
IC, 8BIT MCU, PIC16C, 4MHZ, DIP-28
Manufacturer:
Microchip Technology
Datasheet:
![PIC16C74A-04/P](/photos/6/61/66192/150-40-dip_tmb.jpg)
Part Number:
Description:
IC, 8BIT MCU, PIC16C, 4MHZ, DIP-40
Manufacturer:
Microchip Technology
Datasheet:
![TC1014-2.7VCT](/images/manufacturer_photos/0/4/440/microchip_technology_inc__tmb.jpg)
Part Number:
Description:
Manufacturer:
Microchip Technology Inc.
Datasheet:
![TC1014-5.0VCT](/images/manufacturer_photos/0/4/440/microchip_technology_inc__tmb.jpg)
Part Number:
Description:
Manufacturer:
Microchip Technology Inc.
Datasheet:
![TC1055-2.5VCT](/images/manufacturer_photos/0/4/440/microchip_technology_inc__tmb.jpg)
Part Number:
Description:
Manufacturer:
Microchip Technology Inc.
Datasheet:
![TC1055-2.7VCT](/images/manufacturer_photos/0/4/440/microchip_technology_inc__tmb.jpg)
Part Number:
Description:
Manufacturer:
Microchip Technology Inc.
Datasheet:
![TC1055-2.8VCT](/images/manufacturer_photos/0/4/440/microchip_technology_inc__tmb.jpg)
Part Number:
Description:
Manufacturer:
Microchip Technology Inc.
Datasheet:
![TC1055-4.0VCT](/images/manufacturer_photos/0/4/440/microchip_technology_inc__tmb.jpg)
Part Number:
Description:
Manufacturer:
Microchip Technology Inc.
Datasheet: