PIC16F54-I/SS Microchip Technology, PIC16F54-I/SS Datasheet - Page 34

• Manufacturer Part Number: PIC16F54-I/SS
• Description: IC MCU FLASH 512X12 20SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F54-I/SS

• Core Size: 8-Bit
• Program Memory Size: 768B (512 x 12)
• Core Processor: PIC
• Speed: 20MHz
• Peripherals: POR, WDT
• Number Of I /o: 12
• Program Memory Type: FLASH
• Ram Size: 25 x 8
• Voltage - Supply (vcc/vdd): 2 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: 12
• Ram Memory Size: 25Byte
• Cpu Speed: 20MHz
• No. Of Timers: 1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164307 - MODULE SKT FOR PM3 28SSOPAC164014 - MODULE SKT PROMATEII 44PQFP
• Eeprom Size: -
• Data Converters: -
• Connectivity: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

PIC16F5X
FIGURE 7-3:
TABLE 7-1:
DS41213B-page 32
01h
N/A
Legend:
Address
Instruction
PC
(Program
Counter)
Fetch
Instruction
Execute
Timer0
Shaded cells not used by Timer0, - = unimplemented, x = unknown, u = unchanged.
TMR0
OPTION
Name
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
T0
REGISTERS ASSOCIATED WITH TIMER0
PC – 1
TIMER0 TIMING: INTERNAL CLOCK/PRESCALER 1:2
Timer0 - 8-bit real-time clock/counter
Bit 7
—
MOVWF TMR0 MOVF TMR0,W MOVF TMR0,W MOVF TMR0,W MOVF TMR0,W MOVF TMR0,W
PC
T0 + 1
Bit 6
—
Write TMR0
executed
T0CS
Bit 5
PC + 1
T0SE
Bit 4
Preliminary
Read TMR0
reads NT0
PC + 2
Bit 3
PSA
Read TMR0
reads NT0
Bit 2
PS2
PC + 3
NT0
Bit 1
PS1
Read TMR0
reads NT0
PC + 4
Bit 0
PS0
 2004 Microchip Technology Inc.
Read TMR0
reads NT0
xxxx xxxx
--11 1111
Power-on
PC + 5
Value on
Reset
Read TMR0
reads NT0 + 1
NT0 + 1
PC + 6
uuuu uuuu
--11 1111
WDT Reset
MCLR and
Value on
T0