PIC18F2221-E/SS Microchip Technology, PIC18F2221-E/SS Datasheet - Page 127

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PIC18F2221-E/SS

Manufacturer Part Number
PIC18F2221-E/SS
Description
4KB, Flash, 512bytes-RAM, 25I/O, 8-bit Family,nanoWatt 28 SSOP .209in TUBE
Manufacturer
Microchip Technology
Series
PIC® 18Fr

Specifications of PIC18F2221-E/SS

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
25
Program Memory Size
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
28-SSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
FIGURE 11-3:
FIGURE 11-4:
TABLE 11-11: REGISTERS ASSOCIATED WITH PARALLEL SLAVE PORT
© 2009 Microchip Technology Inc.
PORTD
LATD
TRISD
PORTE
LATE
TRISE
INTCON
PIR1
PIE1
IPR1
ADCON1
Legend:
Note 1:
Name
PORTD<7:0>
PORTD<7:0>
PSPIF
— = unimplemented, read as ‘0’. Shaded cells are not used by the Parallel Slave Port.
These bits are unimplemented on 28-pin devices and read as ‘0’.
PSPIF
PORTD Data Latch Register (Read and Write to Data Latch)
PORTD Data Direction Register
OBF
GIE/GIEH
OBF
PSPIE
PSPIP
PSPIF
CS
WR
RD
IBF
CS
WR
RD
IBF
Bit 7
RD7
IBF
(1)
(1)
(1)
PARALLEL SLAVE PORT WRITE WAVEFORMS
PARALLEL SLAVE PORT READ WAVEFORMS
PIC18F2221/2321/4221/4321 FAMILY
Q1
PEIE/GIEL
Q1
ADIE
ADIP
ADIF
Bit 6
OBF
RD6
Q2
Q2
TMR0IF
VCFG1
IBOV
RCIE
RCIP
RCIF
Bit 5
RD5
Q3
Q3
Q4
Q4
PSPMODE
VCFG0
INT0IE
Bit 4
TXIE
TXIP
TXIF
RD4
Q1
Q1
PCFG3
Q2
SSPIF
SSPIE
SSPIP
Q2
RBIE
Bit 3
RD3
RE3
Q3
Q3
PORTE Data Latch Register
(Read and Write to Data Latch)
TMR0IF
CCP1IE
CCP1IP
TRISE2
CCP1IF
PCFG2
Bit 2
RD2
RE2
Q4
Q4
TMR2IF
TMR2IE
TMR2IP
TRISE1
PCFG1
Q1
INT0IF
Q1
Bit 1
RD1
RE1
Q2
Q2
TMR1IF
TMR1IE
TMR1IP
TRISE0
PCFG0
Bit 0
RBIF
DS39689F-page 127
RD0
RE0
Q3
Q3
Values on
Q4
Reset
Q4
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