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

• 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
page
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58
58
58
58
58
55
58
58
58
57