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I/O Interfacing
Mr.B.Kannan, RIT 1
Memory interfacing
Mr.B.Kannan, RIT 2
Mr.B.Kannan, RIT 3
Mr.B.Kannan, RIT 4
Mr.B.Kannan, RIT 5
Mr.B.Kannan, RIT 6
Mr.B.Kannan, RIT 7
I/O Interfacing
Mr.B.Kannan, RIT 8
Mr.B.Kannan, RIT 9
Mr.B.Kannan, RIT 10
Mr.B.Kannan, RIT 11
Mr.B.Kannan, RIT 12
Mr.B.Kannan, RIT 13
Mr.B.Kannan, RIT 14
Mr.B.Kannan, RIT 15
Mr.B.Kannan, RIT 16
I/O Mapped I/O
Mr.B.Kannan, RIT 17
Mr.B.Kannan, RIT 18
Memory Mapped I/O
Mr.B.Kannan, RIT 19
Mr.B.Kannan, RIT 20
Mr.B.Kannan, RIT 21
Parallel Communication interface 8255a
Mr.B.Kannan, RIT 22
Mr.B.Kannan, RIT 23
Mr.B.Kannan, RIT 24
PIN DIAGRAM OF 8255
Mr.B.Kannan, RIT 25
Mr.B.Kannan, RIT 26
Mr.B.Kannan, RIT 27
Mr.B.Kannan, RIT 28
Mr.B.Kannan, RIT 29
Modes of 8255
BSR Mode I/O Modes
Simple I/O
Input/output with
Handshake
Bidirectional I/O
data transfer
(iv) Operating Modes of 8255 PPI:
Mr.B.Kannan, RIT 30
Mr.B.Kannan, RIT 31
Mr.B.Kannan, RIT 32
Mr.B.Kannan, RIT 33
Mr.B.Kannan, RIT 34
Mr.B.Kannan, RIT 35
Mr.B.Kannan, RIT 36
Analog to Digital Interface
Mr.B.Kannan, RIT 37
Mr.B.Kannan, RIT 38
Mr.B.Kannan, RIT 39
Mr.B.Kannan, RIT 40
Mr.B.Kannan, RIT 41
Mr.B.Kannan, RIT 42
Mr.B.Kannan, RIT 43
Reference:
D.A.Godse, A.P.Godse, “Microprocessors & Microcontrollers”, technical publication, 2015.

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