D75106CW NEC, D75106CW Datasheet - Page 27

• Manufacturer Part Number: D75106CW
• Description: Search -----> UPD75106CW
• Manufacturer: NEC

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5.7
is programmable.
directly input.
This programmable threshold port is configured as shown in Figure 5-6.
The threshold voltage (V
When V
PD75108 is equipped with a 4-bit analog input port (consisting of PTH00 to PTH03 pins) whose threshold voltage
PROGRAMMABLE THRESHOLD PORT (ANALOG INPUT PORT)
REF
is set to V
PTH00
PTH01
PTH02
PTH03
1
2 R
1
2 R
R
R
V
DD
DD
Fig. 5-6 Programmable Threshold Port Configuration
7.5/16, the programmable threshold port can also be used as a digital signal input port.
REF
) can be changed in 16 steps (V
MPX
4
V
REF
+
–
+
–
+
–
+
–
Operates
/stops
DD
0.5/16 – V
PTHM7
PTHM6
PTHM5
PTHM4
PTHM3
PTHM2
PTHM1
PTHM0
PTH0
PTHM
DD
Input buffer
8
15.5/16), and analog signals can be
PD75104, 75106, 75108
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