PIC24FJ64GB004-I/ML Microchip Technology, PIC24FJ64GB004-I/ML Datasheet - Page 43

• Manufacturer Part Number: PIC24FJ64GB004-I/ML
• Description: IC, 16BIT MCU, PIC24F, 32MHZ, QFN-44
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 24Fr

Specifications of PIC24FJ64GB004-I/ML

• Controller Family/series: PIC24
• Ram Memory Size: 8KB
• Cpu Speed: 32MHz
• No. Of Timers: 5
• Interface: I2C, LIN, SPI, UART, USB
• No. Of Pwm Channels: 5
• Core Size: 16 Bit
• Program Memory Size: 64 KB
• Core Processor: PIC
• Speed: 32MHz
• Connectivity: I²C, IrDA, SPI, UART/USART, USB OTG
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 33
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 3.6 V
• Data Converters: A/D 13x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-QFN
• Embedded Interface Type: I2C, LIN, SPI, UART, USB
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 876-1004 - PIC24 BREAKOUT BOARD
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

5.4.2
After
programmed to executive memory using ICSP, it must
be verified. Verification is performed by reading out the
contents of executive memory and comparing it with
the image of the programming executive stored in the
programmer.
TABLE 5-6:
© 2009 Microchip Technology Inc.
Step 1: Exit the Reset vector.
Step 2: Initialize TBLPAG and the Read Pointer (W6) for TBLRD instruction.
Step 3: Initialize the Write Pointer (W7) to point to the VISI register.
Step 4: Read and clock out the contents of the next two locations of executive memory through the VISI register
Step 5: Reset the device internal PC.
Step 6: Repeat Steps 4 and 5 until all desired executive memory is read.
Command
(Binary)
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0001
0000
0000
0000
0000
0000
0000
0000
0001
0000
0000
0000
0000
0001
0000
0000
0000
the
using the REGOUT command.
PROGRAMMING VERIFICATION
programming
READING EXECUTIVE MEMORY
000000
040200
000000
200800
880190
EB0300
207847
000000
BA0B96
000000
000000
<VISI>
000000
BADBB6
000000
000000
BAD3D6
000000
000000
<VISI>
000000
BA0BB6
000000
000000
<VISI>
000000
040200
000000
(Hex)
Data
executive
NOP
GOTO
NOP
MOV
MOV
CLR
MOV
NOP
TBLRDL
NOP
NOP
Clock out contents of VISI register
NOP
TBLRDH.B
NOP
NOP
TBLRDH.B
NOP
NOP
Clock out contents of VISI register
NOP
TBLRDL
NOP
NOP
Clock out contents of VISI register
NOP
GOTO
NOP
has
0x200
#0x80, W0
W0, TBLPAG
W6
#VISI, W7
[W6], [W7]
[W6++], [W7++]
[++W6], [W7--]
[W6++], [W7]
0x200
been
Reading the contents of executive memory can be
performed using the same technique described in
Section 3.8 “Reading Code Memory”. A procedure
for reading executive memory is shown in Table 5-6.
Note that in Step 2, the TBLPAG register is set to 80h,
such that executive memory may be read. The last
eight words of executive memory should be verified
with stored values of the Diagnostic and Calibration
Words to ensure accuracy.
PIC24FJ64GA1/GB0
Description
DS39934B-page 43