PIC18LF6310-I/PT Microchip Technology, PIC18LF6310-I/PT Datasheet - Page 11

• Manufacturer Part Number: PIC18LF6310-I/PT
• Description: IC PIC MCU FLASH 4KX16 64TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18LF6310-I/PT

• Core Size: 8-Bit
• Program Memory Size: 8KB (4K x 16)
• Oscillator Type: Internal
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 54
• Program Memory Type: FLASH
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 12x10b
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TFQFP
• Controller Family/series: PIC18
• No. Of I/o's: 54
• Ram Memory Size: 768Byte
• Cpu Speed: 40MHz
• No. Of Timers: 4
• No. Of Pwm: RoHS Compliant
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

3.0
3.1
The term “Blank Check” means to verify that the device
has no programmed memory cells. All memories must
be
configuration
(3FFFFEh:3FFFFFh) should be ignored. The blank
checking step involves reading the code memory
space and comparing it against FFFFh. Memory reads
occur a single byte at a time, so two bytes must be read
to compare against FFFFh. Refer to Section 4.1
“Read
Configuration Bits”.
FIGURE 3-1:
© 2007 Microchip Technology Inc.
verified:
Note 1: The erased state of configuration bits are given in Table 5-2.
DEVICE PROGRAMMING
Blank Check
Code
No
code
bits.
Pointer to 000000h
Memory,
Read High Byte
Word = FFFFh?
Read Low Byte
Code Memory
Load Address
Verified?
BLANK CHECK FLOW
memory,
The
Does
Start
All
Yes
Yes
Device
ID
ID
Locations
PIC18F8410/8490/8493 FAMILY
No
locations
ID
Device not
Report,
registers
Blank
and
and
A “Blank” or “Erased” memory cell will read as a ‘1’. So,
“Blank Checking” a device merely means to verify that
all bytes read as FFh, except the configuration bits.
Unused (reserved) configuration bits will read as ‘0’.
Refer to Table 5-3 for blank configuration except data
for the various PIC18F8410/8490/8493 family devices.
If it is determined that the device is not blank, then the
device
“High-Voltage ICSP Chip Erase”) before any attempt
to program is made.
No
No
should
Pointer to 200000h
Pointer to 300000h
Configuration bits
Word = FFFFh?
Read High Byte
Read High Byte
Read Low Byte
Read Low Byte
Word = Erased
Load Address
Load Address
ID Locations
Verified?
Verified?
State
Does
Does
All
All
Yes
Yes
Yes
Yes
be
(1)
?
Erased
No
No
Device is
Report
Blank
Device not
Device not
(see
DS39624C-page 11
Report,
Report,
Blank
Blank
Section 3.2