PIC16F1937-I/P Microchip Technology, PIC16F1937-I/P Datasheet - Page 329

• Manufacturer Part Number: PIC16F1937-I/P
• Description: IC PIC MCU FLASH 512KX14 40-PDIP
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16F1937-I/P

• Program Memory Type: FLASH
• Program Memory Size: 14KB (8K x 14)
• Package / Case: 40-DIP (0.600", 15.24mm)
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 32MHz
• Connectivity: I²C, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 36
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: EUSART/MI2C/SPI
• Maximum Clock Frequency: 32 MHz
• Number Of Programmable I/os: 36
• Number Of Timers: 5
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 14-ch x 10-bit
• A/d Bit Size: 10 bit
• A/d Channels Available: 14
• Height: 4.95 mm
• Length: 53.21 mm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 1.8 V
• Width: 14.73 mm
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

EXAMPLE 23-4:
FIGURE 23-1:
© 2008 Microchip Technology Inc.
* This code block will read 1 word of program
* memory at the memory address:
*
*
Flash ADDR
Flash Data
PROG_ADDR_HI : PROG_ADDR_LO
data will be returned in the variables;
PROG_DATA_HI, PROG_DATA_LO
BANKSEL
MOVLW
MOVWF
MOVLW
MOVWL
BCF
BSF
BCF
BSF
NOP
NOP
BSF
MOVF
MOVWF
MOVF
MOVWF
EEDATH
EEDATL
Register
EERHLT
RD bit
EEADRL
PROG_ADDR_LO
EEADRL
PROG_ADDR_HI
EEADRH
EECON1,CFGS
EECON1,EEPGD
INTCON,GIE
EECON1,RD
INTCON,GIE
EEDATL,W
PROG_DATA_LO
EEDATH,W
PROG_DATA_HI
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
INSTR(PC - 1)
executed here
PC
FLASH PROGRAM MEMORY READ
FLASH PROGRAM MEMORY READ CYCLE EXECUTION
INSTR (PC)
BSF EECON1,RD
executed here
; Select Bank for EEPROM registers
;
; Store LSB of address
;
; Store MSB of address
; Select Configuration Space
; Select Program Memory
; Disable interrupts
; Initiate read
; Executed (Figure 23-1)
; Ignored (Figure 23-1)
; Restore interrupts
; Get LSB of word
; Store in user location
; Get MSB of word
; Store in user location
PC + 1
INSTR (PC + 1)
EEADRH,EEADRL
Preliminary
INSTR(PC + 1)
executed here
EEDATH,EEDATL
PIC16F193X/LF193X
executed here
Forced NOP
PC + 3
PC+3
INSTR (PC + 3)
INSTR(PC + 3)
executed here
PC + 4
INSTR (PC + 4)
DS41364A-page 327
INSTR(PC + 4)
executed here
PC + 5