PIC16LC774/PQ Microchip Technology, PIC16LC774/PQ Datasheet - Page 80

• Manufacturer Part Number: PIC16LC774/PQ
• Description: IC MCU OTP 4KX14 A/D PWM 44-MQFP
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16LC774/PQ

• 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: 33
• 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 10x12b
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-MQFP, 44-PQFP
• Processor Series: PIC16LC
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: I2C, SPI, SSP, UART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 33
• Number Of Timers: 3 bit
• Operating Supply Voltage: 2.5 V to 5.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: ICE2000, DM163022
• Minimum Operating Temperature: 0 C
• On-chip Adc: 10 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

PIC16C77X
FIGURE 8-25: MASTER TRANSMIT FLOWCHART
DS30275A-page 80
SDA = Current Data bit
count SCL high time
= Num_Clocks + 1
Num_Clocks = 0,
start BRG count,
SSPADD<6:0>,
SSPADD<6:0>,
Force SCL = 0
Load BRG with
Load BRG with
Write SSPBUF
Force SCL = 1
Num_Clocks
Num_Clocks
Stop BRG,
Idle Mode
SCL = 1?
Data bit?
SDA =
rollover?
rollover?
BF = 1
BRG
BRG
= 8?
Yes
Yes
Yes
Yes
No
No
No
No
No
Yes
(Clock Arbitration)
Reset BRG
SCL = 0?
Advance Information
Yes
Set BCLIF, hold prescale off,
Bus collision detected
Clear XMIT enable
No
Data bit?
SDA =
Yes
No
(Clock Arbitration)
AKSTAT bit (SSPCON2<6>)
Read SDA and place into
1999 Microchip Technology Inc.
slave can drive ACK,
Release SDA so
SSPADD<6:0>,
SSPADD<6:0>,
start BRG count
Force SCL = 1,
Load BRG with
count high time
Force SCL = 0,
Load BRG with
Force BF = 0
Stop BRG
Set SSPIF
Rollover?
SCL = 1?
rollover?
BRG
Yes
Yes
Yes
No
No
No