|
PIC16LC63A-04 Datasheet, PDF (130/184 Pages) Microchip Technology – 8-Bit CMOS Microcontrollers with A/D Converter | |||
|
◁ |
PIC16C63A/65B/73B/74B
FIGURE 16-12: EXAMPLE SPI MASTER MODE TIMING (CKE = 0)
SS
SCK
(CKP = 0)
SCK
(CKP = 1)
70
71
72
78
79
SDO
80
MSb
79
78
BIT6 - - - - - -1
LSb
75, 76
SDI
MSb IN
BIT6 - - - -1
Note:
74
73
Refer to Figure 16-4 for load conditions.
LSb IN
TABLE 16-8: EXAMPLE SPI MODE REQUIREMENTS (MASTER MODE, CKE = 0)
Param
No.
Symbol
Characteristic
Min
Typâ Max Units Conditions
70 TssL2scH, SSâ to SCKâ or SCKâ input
TssL2scL
TCY
â â ns
71 TscH
71A
SCK input high time
(Slave mode)
Continuous
Single Byte
1.25TCY + 30 â â ns
40
â â ns (Note 1)
72 TscL
72A
SCK input low time
(Slave mode)
Continuous
Single Byte
1.25TCY + 30 â â ns
40
â â ns (Note 1)
73 TdiV2scH, Setup time of SDI data input to SCK edge
100
TdiV2scL
â â ns
73A TB2B
Last clock edge of Byte1 to the 1st clock
edge of Byte2
1.5TCY + 40 â â ns (Note 1)
74 TscH2diL, Hold time of SDI data input to SCK edge
TscL2diL
100
â â ns
75 TdoR
SDO data output rise time PIC16CXX
â
10 25 ns
PIC16LCXX
â
20 45 ns
76 TdoF
SDO data output fall time
â
10 25 ns
78 TscR
SCK output rise time
(Master mode)
PIC16CXX
PIC16LCXX
â
10 25 ns
â
20 45 ns
79 TscF
SCK output fall time (Master mode)
â
10 25 ns
80 TscH2doV, SDO data output valid
TscL2doV after SCK edge
PIC16CXX
PIC16LCXX
â
â 50 ns
â
â 100 ns
â Data in âTypâ column is at 5 V, 25°C unless otherwise stated. These parameters are for design guidance only and
are not tested.
Note 1: Specification 73A is only required if specifications 71A and 72A are used.
DS30605C-page 130
 2000 Microchip Technology Inc.
|
▷ |