PIC18F2221-E/SS Microchip Technology, PIC18F2221-E/SS Datasheet - Page 363

• 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 27-15:
TABLE 27-16: EXAMPLE SPI MODE REQUIREMENTS (SLAVE MODE TIMING, CKE = 0)
© 2009 Microchip Technology Inc.
70
71
71A
72
72A
73
73A
74
75
76
77
80
83
Note 1:
Param
No.
(CKP = 0)
(CKP = 1)
SDI
SS
SCK
SCK
SDO
2:
TssL2scH,
TssL2scL
TscH
TscL
TdiV2scH,
TdiV2scL
Tb2b
TscH2diL,
TscL2diL
TdoR
TdoF
TssH2doZ SS ↑ to SDO Output High-Impedance
TscH2doV,
TscL2doV
TscH2ssH,
TscL2ssH
Symbol
Requires the use of Parameter #73A.
Only if Parameter #71A and #72A are used.
SS ↓ to SCK ↓ or SCK ↑ Input
SCK Input High Time
SCK Input Low Time
Setup Time of SDI Data Input to SCK Edge
Last Clock Edge of Byte 1 to the First Clock Edge of Byte 2 1.5 T
Hold Time of SDI Data Input to SCK Edge
SDO Data Output Rise Time
SDO Data Output Fall Time
SDO Data Output Valid after SCK Edge PIC18FXXXX
SS ↑ after SCK edge
EXAMPLE SPI SLAVE MODE TIMING (CKE = 0)
PIC18F2221/2321/4221/4321 FAMILY
70
80
71
73
MSb In
MSb
Characteristic
74
72
75, 76
bit 6 - - - - - -1
bit 6 - - - -1
Continuous
Single Byte
Continuous
Single Byte
PIC18FXXXX
PIC18LFXXXX
PIC18LFXXXX
1.25 T
1.25 T
1.5 T
LSb In
3 T
Min
LSb
40
40
20
CY
40
10
CY
—
—
—
CY
CY
83
CY
+ 40
+ 40
+ 30
+ 30
77
Max Units Conditions
100
25
45
25
50
50
—
—
—
—
—
—
—
—
—
DS39689F-page 363
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
(Note 1)
(Note 1)
(Note 2)
V
V
DD
DD
= 2.0V
= 2.0V