UPD17073 NEC, UPD17073 Datasheet - Page 110
![no-image](/images/manufacturer_photos/0/4/470/nec_sml.jpg)
UPD17073
Manufacturer Part Number
UPD17073
Description
4-BIT SINGLE-CHIP MICROCONTROLLER WITH HARDWARE FOR DIGITAL TUNING SYSTEM
Manufacturer
NEC
Datasheet
1.UPD17073.pdf
(226 pages)
- Current page: 110 of 226
- Download datasheet (2Mb)
110
(2) Flowchart of binary search
(A/D converter reference
voltage setting register)
= #1000B
Detect content of A/D
converter reference voltage
setting register
Reset ADCRFSEL3 flag
Reset ADCRFSEL2 flag
Reset ADCRFSEL1 flag
Reset ADCRFSEL0 flag
Set ADCRFSEL2 flag
Set ADCRFSEL1 flag
Set ADCRFSEL0 flag
ADCCMP = 1?
ADCCMP = 1?
ADCCMP = 1?
ADCCMP = 1?
Initial setting
START
END
N
N
N
N
Y
Y
Y
Y
: Select pin to be used.
: Set reference voltage to 1/2V
: Detect reference voltage and,
: if "0", subtract 1/2V
: add both "0" and "1" to 1/4V
: Detect reference voltage and,
: if "0", subtract 1/4V
: add both "0" and "1" to 1/8V
: Detect reference voltage and,
: if "0", subtract 1/8V
: add both "0" and "1" to 1/16V
: Detect reference voltage and,
: if "0", subtract 1/16V
DD
DD
DD
DD
and,
and,
and,
and,
DD
DD
DD
DD
and set reference voltage.
and set reference voltage.
and set reference voltage.
PD17072,17073
Related parts for UPD17073
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![UPD70325L-8](/images/manufacturer_photos/0/4/470/nec_tmb.jpg)
Part Number:
Description:
16/8 bit single-chip microcomputer
Manufacturer:
NEC
Datasheet:
![UPC1316C](/images/manufacturer_photos/0/4/470/nec_tmb.jpg)
Part Number:
Description:
Dual audio power amp circuit
Manufacturer:
NEC
Datasheet:
![UPC393C](/images/manufacturer_photos/0/4/470/nec_tmb.jpg)
Part Number:
Description:
Dual comparator
Manufacturer:
NEC
Datasheet:
![UPA572T](/images/manufacturer_photos/0/4/470/nec_tmb.jpg)
Part Number:
Description:
MOS type composite field effect transistor
Manufacturer:
NEC
Datasheet:
![UPA672T](/images/manufacturer_photos/0/4/470/nec_tmb.jpg)
Part Number:
Description:
50 V/100 mA FET array incorporating 2 N-ch MOSFETs
Manufacturer:
NEC
Datasheet:
![UPA802T](/images/manufacturer_photos/0/4/470/nec_tmb.jpg)
Part Number:
Description:
6-pin small MM high-frequency double transistor
Manufacturer:
NEC
Datasheet:
![UPA803T](/images/manufacturer_photos/0/4/470/nec_tmb.jpg)
Part Number:
Description:
6-pin small MM high-frequency double transistor
Manufacturer:
NEC
Datasheet:
![UPA805T](/images/manufacturer_photos/0/4/470/nec_tmb.jpg)
Part Number:
Description:
6-pin small MM high-frequency double transistor
Manufacturer:
NEC
Datasheet:
![UPA807T](/images/manufacturer_photos/0/4/470/nec_tmb.jpg)
Part Number:
Description:
6-pin small MM high-frequency double transistor
Manufacturer:
NEC
Datasheet:
![UPA836TF](/images/manufacturer_photos/0/4/470/nec_tmb.jpg)
Part Number:
Description:
Twin transistors equipped with different model chips(6P small MM)
Manufacturer:
NEC
Datasheet:
![UPC1676G](/images/manufacturer_photos/0/4/470/nec_tmb.jpg)
Part Number:
Description:
Bipolar analog integrated circuit
Manufacturer:
NEC
Datasheet: