PIC18F2221-E/ML Microchip Technology, PIC18F2221-E/ML Datasheet - Page 361

• Manufacturer Part Number: PIC18F2221-E/ML
• Description: 4KB, Flash, 512bytes-RAM, 25I/O, 8-bit Family,nanoWatt 28 QFN 6x6mm TUBE
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F2221-E/ML

• 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-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 27-13:
TABLE 27-14: EXAMPLE SPI MODE REQUIREMENTS (MASTER MODE, CKE = 0)
© 2009 Microchip Technology Inc.
73
73A
74
75
76
78
79
80
Param
No.
(CKP = 0)
(CKP = 1)
SDI
SS
SCK
SCK
SDO
TdiV2scH,
TdiV2scL
Tb2b
TscH2diL,
TscL2diL
TdoR
TdoF
TscR
TscF
TscH2doV,
TscL2doV
Symbol
EXAMPLE SPI MASTER MODE TIMING (CKE = 0)
Setup Time of SDI Data Input to SCK Edge
Last Clock Edge of Byte 1 to the 1st Clock Edge
of Byte 2
Hold Time of SDI Data Input to SCK Edge
SDO Data Output Rise Time
SDO Data Output Fall Time
SCK Output Rise Time
SCK Output Fall Time
SDO Data Output Valid after
SCK Edge
PIC18F2221/2321/4221/4321 FAMILY
80
73
MSb In
Characteristic
MSb
74
75, 76
PIC18FXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
bit 6 - - - - - -1
bit 6 - - - -1
78
79
1.5 T
Min
CY
20
40
—
—
—
—
—
—
—
—
LSb
79
78
LSb In
+ 40
Max Units
100
25
45
25
25
45
25
50
—
—
—
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
DS39689F-page 361
V
V
V
Conditions
DD
DD
DD
= 2.0V
= 2.0V
= 2.0V