31
31
AVR-3805 / AVC-3890
EXP1
A(RECA)
Video input switching (RECOUT SELECT)
EXP2
B(RECB)
Video input switching (RECOUT SELECT)
EXP3
C(RECC)
Video input switching (RECOUT SELECT)
IC503
EXP4
D(INA)
Video output switching (INPUT SELECT)
EXP5
E(INB)
Video output switching (INPUT SELECT)
EXP6
F(INC)
Video output switching (INPUT SELECT)
EXP7
S1
Video output switching
EXP8
S2
Video output switching
EXP9
VIN1
Component video output switching
EXP10
VIN2
Component video output switching
EXP11
VIN3
Component video output switching
IC120
EXP12
VINUP
Switching control pin of component monitor output
EXP13
Y/C SELA
Video output switching
EXP14
SMUTE
Video output switching
EXP15
VMONISELA
Video output switching
EXP16
VMONISELB
Video output switching
Function
Port
Symbol
STROBE 1
2
3
4
5
6
7
8
9
10
11
16
15
14
13
12
DATA
CLOCK
Q1
Q2
Q3
Q4
V
SS
V
DD
OE
Q5
Q6
Q7
Q8
Q’
S
Q
S
BU4094BCF Terminal Function
BU4094BCF (VI: IC120)
(CO: IC503)
Note:
Pin No.
: Terminal number of microcomputer.
Port Name : The name entered in the data sheet of microcomputer.
Symbol
: Symbolized interface function.
I/O
: Input or out of part.
“I”
= Input port
“O”
= Output port
Type
: Composition of port in case of output port.
= CMOS output
= NMOS open drain output
= PMOS open drain output
: Pull up/Pull down selection information.
= Inner microcomputer pull up
= Inner microcomputer pull down
= External microcomputer pull up
= External microcomputer pull down
Serial data detection is “S” (Serial data output is also “S”).
= Outputs High Level at reset
= Outputs Low Level at reset
= Becomes High impedance mode at reset
STBY
: State of port when STANDBY mode.
“O/L” = Output port and “L”
“I”
= Input port
Stop
: State of port when Stop mode.
“O/L” = Output port and “L”
“I”
= Input port
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