PIC18F6621-I/PT Microchip Technology Inc., PIC18F6621-I/PT Datasheet - Page 349

• 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 27-16:
TABLE 27-17: EXAMPLE SPI™ MODE REQUIREMENTS (SLAVE MODE TIMING, CKE = 0)
 2005 Microchip Technology Inc.
70
71
71A
72
72A
73
73A
74
75
76
77
78
79
80
83
Note 1: Requires the use of Parameter #73A.
Param.
No.
(CKP = 0)
(CKP = 1)
SDI
SDI
Note:
SCK
SDO
SS
SCK
2: Only if Parameter #71A and #72A are used.
TssL2scH,
TssL2scL
TscH
TscL
TdiV2scH,
TdiV2scL
T
TscH2diL,
TscL2diL
TdoR
TdoF
TssH2doZ
TscR
TscF
TscH2doV,
TscL2doV
TscH2ssH,
TscL2ssH
B
Symbol
2
B
Refer to Figure 27-4 for load conditions.
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 First Clock Edge of Byte 2
Hold Time of SDI Data Input to SCK Edge
SDO Data Output Rise Time
SDO Data Output Fall Time
SS ↑ to SDO Output High-impedance
SCK Output Rise Time (Master mode) PIC18F6X2X/8X2X
SCK Output Fall Time (Master mode)
SDO Data Output Valid after SCK
Edge
SS ↑ after SCK Edge
EXAMPLE SPI™ SLAVE MODE TIMING (CKE = 0)
70
80
71
73
MSb In
MSb
74
Characteristic
72
PIC18F6525/6621/8525/8621
75, 76
bit 6 - - - -1
bit 6 - - - - - -1
Continuous
Single Byte
Continuous
Single Byte
PIC18F6X2X/8X2X
PIC18F6X2X/8X2X
PIC18F6X2X/8X2X
PIC18F6X2X/8X2X
PIC18F6X2X/8X2X
78
79
1.25 T
1.25 T
1.5 T
1.5 T
79
78
LSb In
LSb
Min
T
100
100
40
40
CY
10
CY
—
—
—
—
—
CY
CY
CY
83
+ 40
+ 40
+ 30
+ 30
77
Max Units Conditions
100
25
45
25
50
25
45
25
50
—
—
—
—
—
—
—
—
—
DS39612B-page 347
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
(Note 1)
(Note 1)
(Note 2)