PIC18F6621-I/PT Microchip Technology Inc., PIC18F6621-I/PT Datasheet - Page 347

• Manufacturer Part Number: PIC18F6621-I/PT
• Description: 64 PIN, 64 KB FLASH, 3840 RAM, 52 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F6621-I/PT

• A/d Inputs: 12-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 10 MIPS
• Eeprom Memory: 1024 Bytes
• Input Output: 54
• Interface: I2C/SPI/UART/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 64-pin TQFP
• Programmable Memory: 64K Bytes
• Ram Size: 3.8K Bytes
• Speed: 40 MHz
• Timers: 2-8-bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

FIGURE 27-14:
TABLE 27-15: EXAMPLE SPI™ MODE REQUIREMENTS (MASTER MODE, CKE = 0)
 2005 Microchip Technology Inc.
70
71
71A
72
72A
73
73A
74
75
76
78
79
80
Note 1:
Param.
No.
(CKP = 0)
(CKP = 1)
SDI
SCK
SDO
SS
SCK
Note:
2:
TssL2scH,
TssL2scL
TscH
TscL
TdiV2scH,
TdiV2scL
T
TscH2diL,
TscL2diL
TdoR
TdoF
TscR
TscF
TscH2doV,
TscL2doV
B
Requires the use of Parameter #73A.
Only if Parameter #71A and #72A are used.
Symbol
2
Refer to Figure 27-4 for load conditions.
B
SS ↓ to SCK ↓ or SCK ↑ Input
SCK Input High Time
(Slave mode)
SCK Input Low Time
(Slave mode)
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
(Master mode)
SCK Output Fall Time (Master mode)
SDO Data Output Valid after
SCK Edge
EXAMPLE SPI™ MASTER MODE TIMING (CKE = 0)
70
80
71
73
MSb In
Characteristic
MSb
74
72
PIC18F6525/6621/8525/8621
75, 76
Continuous
Single Byte
Continuous
Single Byte
PIC18F6X2X/8X2X
PIC18LF6X2X/8X2X
PIC18F6X2X/8X2X
PIC18LF6X2X/8X2X
PIC18F6X2X/8X2X
PIC18LF6X2X/8X2X
bit 6 - - - - - -1
bit 6 - - - -1
78
79
1.25 T
1.25 T
1.5 T
Min
100
100
T
40
40
CY
—
—
—
—
—
—
—
—
79
78
CY
CY
CY
LSb In
+ 40
+ 30
+ 30
LSb
Max
100
25
45
25
25
45
25
50
—
—
—
—
—
—
—
—
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
DS39612B-page 345
(Note 1)
(Note 1)
(Note 2)
Conditions