PIC18F44K20-E/ML Microchip Technology, PIC18F44K20-E/ML Datasheet - Page 18

• Manufacturer Part Number: PIC18F44K20-E/ML
• Description: 16KB, Flash, 768bytes-RAM, 36I/O, 8-bit Family,nanowatt XLP 44 QFN 8x8x0.9mm TUB
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 18Fr

Specifications of PIC18F44K20-E/ML

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 48MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, HLVD, POR, PWM, WDT
• Number Of I /o: 35
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 44-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164112 - VOLTAGE LIMITER MPLAB ICD2 VPPDM164124 - KIT STARTER FOR PIC18F4XK20AC164322 - MODULE SOCKET MPLAB PM3 28/44QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC18F2XK20/4XK20
FIGURE 3-4:
FIGURE 3-5:
DS41297F-page 18
Note 1:
PGC
PGD
1
Use P9A for User ID and Configuration Word programming.
1
4-bit Command
2
1
3
1
PROGRAM CODE MEMORY FLOW
TABLE WRITE AND START PROGRAMMING INSTRUCTION
TIMING DIAGRAM (1111)
4
1
P5
LoopCount + 1
LoopCount =
1
n
N = 1
2
n
3
n
16-bit Data Payload
4
n
N = N + 1
Advance Information
5
n
6
n
PGD = Input
15
n
16
No
n
No
P5A
Start Write Sequence
Buffer at <Addr>
1
4-bit Command
High until Done
and Hold PGC
Hold PGC Low
0
Load 2 Bytes
for Time P10
and Wait P9
Device for
Configure
written?
locations
to Write
2
Writes
0
done?
Start
bytes
Done
All
All
3
Yes
Yes
0
N = 1
LoopCount = 0
0
Programming Time
P9
© 2009 Microchip Technology Inc.
(1)
4
P10
Data Payload
1
0
16-bit
2
0
3
0