PIC18F1220-I/SS Microchip Technology, PIC18F1220-I/SS Datasheet - Page 9

• Manufacturer Part Number: PIC18F1220-I/SS
• Description: IC MCU FLASH 2KX16 A/D 20SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F1220-I/SS

• Program Memory Type: FLASH
• Program Memory Size: 4KB (2K x 16)
• Package / Case: 20-SSOP
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 16
• Eeprom Size: 256 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 7x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: EUSART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 16
• Number Of Timers: 4
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DM163014, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 7-ch x 10-bit
• Package: 20SSOP
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT20SS-1 - SOCKET TRANSITION 18DIP 20SSOPAC164307 - MODULE SKT FOR PM3 28SSOPAC164018 - MODULE SKT PROMATEII 20SSOP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

2.6
The PGC pin is used as a clock input pin and the PGD
pin is used for entering command bits and data input/
output during serial operation. Commands and data are
transmitted on the rising edge of PGC, latched on the
falling edge of PGC and are Least Significant bit (LSb)
first.
2.6.1
All instructions are 20 bits, consisting of a leading 4-bit
command, followed by a 16-bit operand which depends
on the type of command being executed. To input a
command, PGC is cycled four times. The commands
needed for programming and verification are shown in
Table 2-3.
Depending on the 4-bit command, the 16-bit operand
represents 16 bits of input data, or 8 bits of input data
and 8 bits of output data.
Throughout this specification, commands and data are
presented as illustrated in Table 2-4. The 4-bit command
is shown Most Significant bit (MSb) first. The command
operand, or “Data Payload”, is shown <MSB><LSB>.
Figure 2-10 demonstrates how to serially present a
20-bit command/operand to the device.
2.6.2
The core instruction passes a 16-bit instruction to the
CPU core for execution. This is needed to set up
registers as appropriate for use with other commands.
FIGURE 2-10:
© 2009 Microchip Technology Inc.
PGC
PGD
Serial Program/Verify Operation
4-BIT COMMANDS
CORE INSTRUCTION
P3
4-Bit Command
1
P2
1
2
P4
0
TABLE WRITE, POST-INCREMENT TIMING (1101)
3
1
4
1
P2A
P5
P2B
1
0
2
0
0
3
0
4
0
5
0
6
0
PGD = Input
16-Bit Data Payload
4
7
1
8
0
9
TABLE 2-3:
TABLE 2-4:
0
Core Instruction
(shift in16-bit instruction)
Shift out TABLAT Register
Table Read
Table Read, Post-Increment
Table Read, Post-Decrement
Table Read, Pre-Increment
Table Write
Table Write, Post-Increment by 2
Table Write, Start Programming,
Post-Increment by 2
Table Write, Start Programming
Command
10
0
1101
4-Bit
C
11
1
PIC18F1230/1330
12
1
13
Description
Payload
1
3C 40
Data
14
COMMANDS FOR
PROGRAMMING
SAMPLE COMMAND
SEQUENCE
1
3
15
0
16
Table Write,
post-increment by 2
0
P5A
Fetch Next 4-Bit Command
Core Instruction
1
n
2
n
DS39752B-page 9
3
n
Command
4
n
0000
0010
1000
1001
1010
1011
1100
1101
1110
1111
4-Bit