參數(shù)資料
型號: PCE84C886
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: Microcontroller for monitor OSD and auto-sync applications
中文描述: 8-BIT, MROM, 10 MHz, MICROCONTROLLER, PDIP42
封裝: 0.600 INCH, PLASTIC, SDIP-42
文件頁數(shù): 23/36頁
文件大?。?/td> 168K
代理商: PCE84C886
1996 Feb 21
23
Philips Semiconductors
Objective specification
Microcontrollers for digital auto-sync and
VST TV controller applications
PCE84C486; PCE84C487
12 OUTPUT PORTS
Each I/O port line may be individually configured using one
of three mask options. The three I/O mask options are
specified below:
Option 1 Standard input/output with switched pull-up
current source; this is shown in Fig.24.
Option 2 Input/output with open-drain output; this is
shown in Fig.25.
Option 3 Push-pull output; this is shown in Fig.26.
The state of each output port after a Power-on-reset can
also be selected using the mask options. All port mask
options are given in Section 13.1.
Fig.21 Standard I/O with pull-up transistor source (Option 1).
handbook, full pagewidth
MLA696
TR3
I/O PORT
LINE
SLAVE
D
SQ
SQ
MASTER
D
MQ
WRITE PULSE
DATA BUS
ORL/ANL/MOV
IN/MOV
TR1
VSS
TR2
VDD
constant
current
source
100
μ
A typ.
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