PIC16C925-I/PT Microchip Technology, PIC16C925-I/PT Datasheet - Page 44

• Manufacturer Part Number: PIC16C925-I/PT
• Description: IC MCU OTP 4KX14 LCD DVR 64TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C925-I/PT

• Core Size: 8-Bit
• Program Memory Size: 7KB (4K x 14)
• Core Processor: PIC
• Speed: 20MHz
• Connectivity: I²C, SPI
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 25
• Program Memory Type: OTP
• Ram Size: 176 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TFQFP
• Controller Family/series: PIC16C
• No. Of I/o's: 25
• Ram Memory Size: 176Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• No. Of Pwm Channels: 1
• Embedded Interface Type: I2C, SPI
• Rohs Compliant: Yes
• Processor Series: PIC16C
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 176 B
• Interface Type: I2C, SPI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 25
• Number Of Timers: 3
• Operating Supply Voltage: 2.5 V to 5.5 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
• On-chip Adc: 10 bit, 5 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: DVA16PQ640 - ADAPTER DEVICE FOR MPLAB-ICEAC164023 - MODULE SKT PROMATEII 68TQFP
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: PIC16C925I/PT

PIC16C925/926
FIGURE 5-2:
FIGURE 5-3:
FIGURE 5-4:
DS39544A-page 42
PC
(Program
Counter)
Instruction
TMR0
Instruction
Executed
Fetched
OSC1
OSC1
CLKOUT
Timer0
TMR0IF bit
(INTCON<2>)
GIE bit
(INTCON<7>)
INSTRUCTION
FLOW
PC
Instruction
Fetched
Instruction
Executed
PC
(Program
Counter)
Instruction
Fetched
TMR0
Instruction
Executed
(3)
Note 1: Interrupt flag bit TMR0IF is sampled here (every Q1).
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
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
Q1
PC-1
2: Interrupt latency = 4T
3: CLKOUT is available only in RC oscillator mode.
PC-1
FEh
Inst (PC)
Inst (PC-1)
Q2
TIMER0 TIMING: INTERNAL CLOCK/NO PRESCALE
TIMER0 TIMING: INTERNAL CLOCK/PRESCALE 1:2
TIMER0 INTERRUPT TIMING
1
PC
MOVWF TMR0 MOVF TMR0,W MOVF TMR0,W MOVF TMR0,W MOVF TMR0,W MOVF TMR0,W
MOVWF TMR0 MOVF TMR0,W MOVF TMR0,W MOVF TMR0,W MOVF TMR0,W MOVF TMR0,W
Q3
T0+1
PC
PC
T0+1
Q4
CY
Q1
FFh
where T
Write TMR0
executed
T0+2
Write TMR0
executed
Inst (PC+1)
Inst (PC)
PC+1
Q2
1
PC +1
PC+1
CY
Q3
= instruction cycle time.
Preliminary
Q4
Read TMR0
reads NT0
NT0
Read TMR0
reads NT0
PC+2
PC+2
Q1
00h
Dummy cycle
Q2
PC +1
Read TMR0
reads NT0
Read TMR0
reads NT0
NT0
PC+3
Q3
PC+3
NT0
Q4
Read TMR0
reads NT0
Read TMR0
reads NT0
Q1
NT0
PC+4
01h
PC+4
Dummy cycle
Inst (0004h)
Q2
0004h
Q3
Read TMR0
reads NT0
Read TMR0
reads NT0 + 1
2001 Microchip Technology Inc.
NT0+1
PC+5
Q4
PC+5
Q1
02h
Read TMR0
reads NT0 + 1
Inst (0004h)
Inst (0005h)
Read TMR0
reads NT0 + 2
NT0+1
Q2
NT0+2
0005h
PC+6
PC+6
Q3
Q4
PC+6
T0