PIC16LC923-04I/L Microchip Technology, PIC16LC923-04I/L Datasheet - Page 78

• Manufacturer Part Number: PIC16LC923-04I/L
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,LDCC,68PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16LC923-04I/L

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 4MHz
• Connectivity: I²C, SPI
• Peripherals: LCD, POR, PWM, WDT
• Number Of I /o: 25
• Program Memory Size: 7KB (4K x 14)
• Program Memory Type: OTP
• Ram Size: 176 x 8
• Voltage - Supply (vcc/vdd): 2.5 V ~ 6 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 68-PLCC
• Processor Series: PIC16LC
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 176 B
• Interface Type: I2C, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 25
• Number Of Timers: 3
• Operating Supply Voltage: 2.5 V to 6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: ICE2000
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

PIC16C9XX
FIGURE 11-21: OPERATION OF THE I
DS30444E - page 78
IDLE_MODE (7-bit):
if (Addr_match)
RCV_MODE:
if ((SSPBUF=Full) OR (SSPOV = 1))
else
Receive 8-bits in SSPSR;
Set interrupt;
XMIT_MODE:
While ((SSPBUF = Empty) AND (CKP=0)) Hold SCL Low;
Send byte;
Set interrupt;
if ( ACK Received = 1)
else if ( ACK Received = 0) Go back to XMIT_MODE;
IDLE_MODE (10-Bit):
If (High_byte_addr_match AND (R/W = 0))
else if (High_byte_addr_match AND (R/W = 1)
{
}
{
}
{
}
{
else PRIOR_ADDR_MATCH = FALSE;
}
Set SSPOV;
Do not acknowledge;
send ACK = 0;
Set interrupt;
if ((SSPBUF = Full) OR ((SSPOV = 1))
else
if (PRIOR_ADDR_MATCH)
transfer SSPSR
PRIOR_ADDR_MATCH = FALSE;
{
}
{
}
{
}
{
}
{
}
Do not acknowledge;
Set UA = 1;
Send ACK = 0;
While (SSPADD not updated) Hold SCL low;
Clear UA = 0;
Receive Low_addr_byte;
Set interrupt;
Set UA = 1;
If (Low_byte_addr_match)
send ACK = 0;
set XMIT_MODE;
Set SSPOV;
SSPBUF;
Set interrupt;
if (R/W = 1)
else if (R/W = 0) set RCV_MODE;
End of transmission;
Go back to IDLE_MODE;
{
}
2
C MODULE IN IDLE_MODE, RCV_MODE OR XMIT_MODE
PRIOR_ADDR_MATCH = TRUE;
Send ACK = 0;
while (SSPADD not updated) Hold SCL low;
Clear UA = 0;
Set RCV_MODE;
{
}
Send ACK = 0;
set XMIT_MODE;
1997 Microchip Technology Inc.