PIC18F4221-I/PT Microchip Technology, PIC18F4221-I/PT Datasheet - Page 182
![IC PIC MCU FLASH 2KX16 44TQFP](/photos/6/82/68251/c04-076_pt_sml.jpg)
PIC18F4221-I/PT
Manufacturer Part Number
PIC18F4221-I/PT
Description
IC PIC MCU FLASH 2KX16 44TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC18F2221-ISO.pdf
(402 pages)
2.PIC18F2221-ISO.pdf
(8 pages)
3.PIC18F2221-ISO.pdf
(30 pages)
4.PIC18F2221-ISO.pdf
(46 pages)
5.PIC18F2321-IML.pdf
(396 pages)
Specifications of PIC18F4221-I/PT
Program Memory Type
FLASH
Program Memory Size
4KB (2K x 16)
Package / Case
44-TQFP, 44-VQFP
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
36
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 13x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
EUSART, I2C, MSSP, SPI
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
36
Number Of Timers
4
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 125 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, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
XLT44PT3 - SOCKET TRAN ICE 44MQFP/TQFPAC164305 - MODULE SKT FOR PM3 44TQFP444-1001 - DEMO BOARD FOR PICMICRO MCUAC164020 - MODULE SKT PROMATEII 44TQFP
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F4221-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC18F2221-ISO PDF datasheet
- PIC18F2221-ISO PDF datasheet #2
- PIC18F2221-ISO PDF datasheet #3
- PIC18F2221-ISO PDF datasheet #4
- PIC18F2321-IML PDF datasheet #5
- Current page: 182 of 402
- Download datasheet (7Mb)
corresponding address bit is ignored (ADD<n> = x). For
sufficient to match only on addresses that do not have an
PIC18F2221/2321/4221/4321 FAMILY
18.4.3.2
Masking an address bit causes that bit to become a
“don’t care”. When one address bit is masked, two
addresses will be Acknowledged and cause an inter-
rupt. It is possible to mask more than one address bit at
a time, which makes it possible to Acknowledge up to
31 addresses in 7-Bit Addressing mode and up to
63 addresses in 10-Bit Addressing mode (see
Example 18-2).
The I
masking is used or not. However, when address mask-
ing is used, the I
addresses and cause interrupts. When this occurs, it is
necessary to determine which address caused the
interrupt by checking the SSPBUF register.
• 7-Bit Addressing mode
Address mask bits, ADMSK<5:1>, mask the corre-
sponding address bits in the SSPADD register. For any
ADMSK bits that are active (ADMSK<n> = 1), the
the module to issue an address Acknowledge, it is
active address mask.
EXAMPLE 18-2:
DS39689F-page 182
7-Bit Addressing mode:
10-Bit Addressing mode:
2
C slave behaves the same way whether address
SSPADD<7:1> = 1010 0000
ADMSK<5:1> = 00 111
Addresses Acknowledged = 0xA0, 0xA2, 0xA4, 0xA6, 0xA8, 0xAA, 0xAC, 0xAE
SSPADD<7:0> = 1010 0000 (The two MSbs are ignored in this example since they are not affected)
ADMSK<5:1> = 00 111
Addresses Acknowledged = 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xAB,
The upper two bits are not affected by the address masking.
Address Masking
2
C slave can Acknowledge multiple
ADDRESS MASKING
0xAC, 0xAD, 0xAE, 0xAF
• 10-Bit Addressing mode
Address
corresponding address bits in the SSPADD register. In
addition, ADMSK<1> simultaneously masks the two
LSBs of the address, ADD<1:0>. For any ADMSK bits
that are active (ADMSK<n> = 1), the corresponding
address bit is ignored (ADD<n> = x). Also note that
although in 10-Bit Addressing mode, the upper address
bits reuse part of the SSPADD register bits, the address
mask bits do not interact with those bits. They only
affect the lower address bits.
Note 1: ADMSK<1>
2: The two Most Significant bits of the
mask
Significant bits of the address.
address are not affected by address
masking.
bits,
© 2009 Microchip Technology Inc.
ADMSK<5:2>,
masks
the
two
mask
Least
the
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