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參數(shù)資料
| 型號(hào)： | MD82C55B |
| 廠商： | Harris Corporation |
| 英文描述： | CMOS Programmable Peripheral Interface |
| 中文描述： | CMOS可編程外設(shè)接口 |
| 文件頁(yè)數(shù)： | 15/26頁(yè) |
| 文件大?。?/td> | 234K |
| 代理商： | MD82C55B |
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FIGURE 19. KEYBOARD AND DISPLAY INTERFACE
FIGURE 20. KEYBOARD AND TERMINAL ADDRESS
INTERFACE
FIGURE 21. DIGITAL TO ANALOG, ANALOG TO DIGITAL
FIGURE 22. BASIC CRT CONTROLLER INTERFACE
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PC4
PC5
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PC1
PC2
PC6
PC7
STROBE
ACK
DATA READY
ACK
BLANKING
CANCEL WORD
MODE 1
(OUTPUT)
82C55A
MODE 1
(INPUT)
FULLY
DECODED
KEYBOARD
INTERRUPT
REQUEST
INTERRUPT
REQUEST
PC3
R0
R1
R2
R3
R4
R5
SHIFT
CONTROL
B0
B1
B2
B3
B4
B5
BACKSPACE
CLEAR
BURROUGHS
SELF-SCAN
DISPLAY
STROBE
ACK
BUST LT
TEST LT
FULLY
DECODED
KEYBOARD
R0
R1
R2
R3
R4
R5
SHIFT
CONTROL
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PC4
PC5
PC6
PC7
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
MODE 0
(INPUT)
82C55A
MODE 1
(INPUT)
PC3
TERMINAL
ADDRESS
INTERRUPT
REQUEST
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PC4
PC5
PC6
PC7
PC1
PC2
PC3
PB0
PB1
PB2
PB3
PC4
PC5
PC6
PC7
LSB
STB DATA
MAB
MODE 0
(INPUT)
82C55A
MODE 0
(OUTPUT)
12-BIT
A/D
CONVERTER
(DAC)
PC0
BIT
SET/RESET
SAMPLE EN
STB
LSB
8-BIT
D/A
CONVERTER
(ADC)
ANALOG
INPUT
ANALOG
OUTPUT
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PC7
PC6
PC5
PC4
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PC2
PC1
PC0
MODE 0
(OUTPUT)
82C55A
MODE 1
(OUTPUT)
PC3
DATA READY
ACK
BLANKED
BLACK/WHITE
CRT CONTROLLER
CHARACTER GEN.
REFRESH BUFFER
CURSOR CONTROL
INTERRUPT
REQUEST
R0
R1
R2
R3
R4
R5
SHIFT
CONTROL
ROW STB
COLUMN STB
CURSOR H/V STB
CURSOR/ROW/COLUMN
ADDRESS
H&V
82C55A
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