UPD78F0138 NEC, UPD78F0138 Datasheet - Page 257
![no-image](/images/manufacturer_photos/0/4/470/nec_sml.jpg)
UPD78F0138
Manufacturer Part Number
UPD78F0138
Description
(UPD78xxxx) 8-Bit Single-Chip Microcontrollers
Manufacturer
NEC
Datasheet
1.UPD78F0138.pdf
(558 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD78F0138M1GK-9ET
Manufacturer:
NEC
Quantity:
115
Part Number:
UPD78F0138M5GB
Manufacturer:
NEC
Quantity:
20 000
- Current page: 257 of 558
- Download datasheet (5Mb)
(3) A/D conversion result register (ADCR)
Symbol
ADCR
Cautions 1. When writing to the A/D converter mode register (ADM) and analog input channel
This register is a 16-bit register that stores the A/D conversion result. The lower six bits are fixed to 0. Each time
A/D conversion ends, the conversion result is loaded from the successive approximation register, and is stored in
ADCR in order starting from the most significant bit (MSB). FF09H indicates the higher 8 bits of the conversion
result, and FF08H indicates the lower 2 bits of the conversion result.
ADCR can be read by a 16-bit memory manipulation instruction.
RESET input makes ADCR undefined.
Address: FF08H, FF09H
2. If data is read from ADCR, a wait cycle is generated. Do not read data from ADCR when the
specification register (ADS), the contents of ADCR may become undefined.
conversion result following conversion completion before writing to ADM and ADS. Using
timing other than the above may cause an incorrect conversion result to be read.
CPU is operating on the subsystem clock and the X1 input clock is stopped. For details, see
CHAPTER 34 CAUTIONS FOR WAIT.
Figure 12-5. Format of A/D Conversion Result Register (ADCR)
FF09H
After reset: Undefined
CHAPTER 12 A/D CONVERTER
User’s Manual U16228EJ2V0UD
R
0
0
FF08H
0
0
0
Read the
0
257
Related parts for UPD78F0138
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![UPD78F1154GK-GAK-AX](/photos/19/3/190351/ge80lqfp05-40_tmb.jpg)
Part Number:
Description:
16BIT MCU, 128K FLASH, 8K RAM, SMD
Manufacturer:
NEC
Datasheet:
![UPD78F0413GA-GAM-AX](/photos/19/0/190032/ge48lqfp05-40_tmb.jpg)
Part Number:
Description:
8BIT UC, 32K FLASH, 1KB RAM, LCD
Manufacturer:
NEC
Datasheet:
![UPD78F0886GA(A)-GAM-AX](/photos/19/0/190032/ge48lqfp05-40_tmb.jpg)
Part Number:
Description:
8BIT MCU, 60K FLASH, 3KB RAM, CAN
Manufacturer:
NEC
Datasheet:
![UPD78F0890GK(A)-GAJ-AX](/photos/19/1/190186/ge64lqfp05-40_tmb.jpg)
Part Number:
Description:
8BIT MCU, 128K FLASH, 7K RAM, LQFP
Manufacturer:
NEC
Datasheet:
![UPD78F9502MA-CAC-A](/photos/19/7/190713/ge10ssop05-40_tmb.jpg)
Part Number:
Description:
8BIT MCU, 4K FLASH, 128B RAM, SMD
Manufacturer:
NEC
Datasheet:
![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: