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PIC18F6520-I Datasheet, PDF (332/380 Pages) Micrel Semiconductor – 64/80-Pin High-Performance, 256 Kbit to 1 Mbit Enhanced Flash Microcontrollers with A/D | |||
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PIC18F6520/8520/6620/8620/6720/8720
TABLE 26-14: PARALLEL SLAVE PORT REQUIREMENTS (PIC18F8X20)
Param
No.
Symbol
Characteristic
Min Max Units
Conditions
62
TDTV2WRH Data In Valid before WR â or CS â
(setup time)
20 â ns
25 â ns Extended Temp. range
63
TWRH2DTI WR â or CS â to DataâIn
PIC18FXX20 20 â ns
Invalid (hold time)
PIC18LFXX20 35 â ns VDD = 2.0V
64
TRDL2DTV RD â and CS â to DataâOut Valid
â 80 ns
â 90 ns Extended Temp. range
65
TRDH2DTI RD â or CS â to DataâOut Invalid
10 30 ns
66
TIBFINH
Inhibit of the IBF flag bit being cleared from
â 3 TCY
WR â or CS â
FIGURE 26-16: EXAMPLE SPI MASTER MODE TIMING (CKE = 0)
SS
SCK
(CKP = 0)
SCK
(CKP = 1)
70
71
72
78
79
SDO
80
MSb
79
78
bit 6 - - - - - -1
LSb
75, 76
SDI
MSb In
bit 6 - - - -1
LSb In
74
73
Note: Refer to Figure 26-6 for load conditions.
DS39609B-page 330
 2004 Microchip Technology Inc.
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