參數(shù)資料
型號: CMQ82C55AZ96
廠商: INTERSIL CORP
元件分類: 微控制器/微處理器
英文描述: CMOS Programmable Peripheral Interface
中文描述: 24 I/O, PIA-GENERAL PURPOSE, PQFP44
封裝: ROHS COMPLIANT, PLASTIC, MS-022AB, MQFP-44
文件頁數(shù): 20/24頁
文件大?。?/td> 502K
代理商: CMQ82C55AZ96
20
FN6140.1
June 28, 2005
FIGURE 28. MODE 1 (STROBED OUTPUT)
FIGURE 29. MODE 2 (BIDIRECTIONAL)
NOTE:
ACK
WR)
Any sequence where WR occurs before ACK and STB occurs before RD is permissible. (INTR = IBF
MASK
STB
RD
+
OBF
MASK
Timing Waveforms
(Continued)
tWOB (21)
tWB (12)
tAK (15)
tAIT (27)
tAOB (22)
tWIT
(28)
OBF
WR
INTR
ACK
OUTPUT
tWOB
(21)
tAOB
(22)
tAK
(15)
tAD (19)
tKD
(20)
tPH (18)
tPS (17)
tSIB
(23)
tST
(16)
OBF
WR
INTR
ACK
IBF
STB
PERIPHERAL
BUS
RD
tRIB (24)
DATA FROM
PERIPHERAL TO 82C55A
DATA FROM
82C55A TO PERIPHERAL
DATA FROM
82C55A TO CPU
DATA FROM
CPU TO 82C55A
(NOTE)
(NOTE)
MS82C55A, MQ82C55A
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