PIC16F84A-04I/SS Microchip Technology, PIC16F84A-04I/SS Datasheet - Page 315

• Manufacturer Part Number: PIC16F84A-04I/SS
• Description: IC MCU FLASH 1KX14 EE 20SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F84A-04I/SS

• Core Size: 8-Bit
• Program Memory Size: 1.75KB (1K x 14)
• Core Processor: PIC
• Speed: 4MHz
• Peripherals: POR, WDT
• Number Of I /o: 13
• Program Memory Type: FLASH
• Eeprom Size: 64 x 8
• Ram Size: 68 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-SSOP
• Controller Family/series: PIC16F
• No. Of I/o's: 13
• Eeprom Memory Size: 64Byte
• Ram Memory Size: 68Byte
• Cpu Speed: 4MHz
• No. Of Timers: 1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT20SS1-1 - SOCKET TRANSITION 20DIP 20SSOPI3-DB16F84A - BOARD DAUGHTER ICEPIC3AC164307 - MODULE SKT FOR PM3 28SSOPAC164018 - MODULE SKT PROMATEII 20SSOP
• Data Converters: -
• Connectivity: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: PIC16F84A-04I/SSR; PIC16F84A-04I/SSR

Figure 17-25: Master Transmit Flowchart
1997 Microchip Technology Inc.
SDA = Current Data bit
count SCL high time
= Num_Clocks + 1
Num_Clocks = 0,
start BRG count,
SSPADD<6:0>,
SSPADD<6:0>,
Load BRG with
Write SSPBUF
Force SCL = 0
Load BRG with
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
No
Yes
No
No
No
No
Yes
(Clock Arbitration)
Reset BRG
SCL = 0?
Yes
Set BCLIF, hold prescale off,
Bus collision detected
Clear XMIT enable
No
Preliminary
Data bit?
SDA =
Yes
No
Section 17. MSSP
(Clock Arbitration)
ACKSTAT bit (SSPCON2<6>)
Read SDA and place into
slave can drive ACK,
Release SDA so
SSPADD<6:0>,
SSPADD<6:0>,
start BRG count
Force SCL = 1,
count high time
Force SCL = 0,
Load BRG with
Load BRG with
Force BF = 0
Stop BRG
Set SSPIF
Rollover?
SCL = 1?
rollover?
BRG
Yes
DS31017A-page 17-39
Yes
Yes
No
No
No
17