User`s manual

125
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
M37281MAH–XXXSP,M37281MFH–XXXSP
M37281MKH–XXXSP,M37281EKSP
Fig.12.1 Test circuit
1
3
2
4
5
Vss
Vcc
V
V OH
or or
V
OL
I OH
I OL
4.5V
Each output pin
After setting each output pin to HIGH level
when measuring V
OH and to LOW level
when measuring V OL , each pin is measured.
Vss
Vcc
5.0V
Each output pin
Vss
Vcc
V
BS
4.5V
SCL1 or SDA1
I
BS
A
RBS = VBS/IBS
SCL2 or SDA2
R
BS
A
Vss
Vcc
X
CIN
XCOUT
XIN
XOUT
OSC1
OSC2
Icc
8.00 MHz
32 kHz
Power source voltage
Pin VCC is confirmed the operation and tested
the current with a ceramic resonator.
Vss
Vcc
I
IZH
or
I
IZL
5.5V
A
5.5V
or
0V
Each output pin