參數(shù)資料
型號: MSM6352-XXGS-K
廠商: LAPIS SEMICONDUCTOR CO LTD
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, MICROCONTROLLER, PQFP44
封裝: 0.910 INCH, 0.80 MM PITCH, PLASTIC, QFP-44
文件頁數(shù): 5/23頁
文件大?。?/td> 244K
代理商: MSM6352-XXGS-K
12/22
MSM6352
Semiconductor
Output Port (C1-C4)
Output only port that consists of 4 bits (C1, C2, C3, C4). The contents of the output latch can be
rewritten by the output instruction.
A low level signal is output to each output pin at the time of the system reset.
When the HS input pin is open or at high level, a low level signal is output to each output pin
irrespective of the contents of the output latch.
By setting this port to the enable state by the EC instruction, the contents of the output latch can
be output to each output pin irrespective of the HS input pin status. The port goes into the
disable state (the output depends on the HS input pin status) at the time of the system reset.
C1 to C4 are CMOS outputs.
C1
BUS 0
C2
BUS 1
C3
BUS 2
C4
BUS 3
Output latch
System reset
Output instruction
OUT #D, 00 or
OUT AP, 00
HS
EC instruction
DC instruction
Q
S
R
D1
Q1
D2
Q2
D3
Q3
L
D0
Q0
Figure 5. Output Port (C1-C4) Configuration
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