UPD78F0138 NEC, UPD78F0138 Datasheet - Page 529
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: 529 of 558
- Download datasheet (5Mb)
34.1 Cautions for Wait
may be passed if an access to the CPU conflicts with an access to the peripheral hardware.
processing, until the correct data is passed.
execution clocks of an instruction increases by the number of wait clocks (for the number of wait clocks, refer to Table
34-1). This must be noted when real-time processing is performed.
This product has two internal system buses.
One is a CPU bus and the other is a peripheral bus that interfaces with the low-speed peripheral hardware.
Because the clock of the CPU bus and the clock of the peripheral bus are asynchronous, unexpected illegal data
When accessing the peripheral hardware that may cause a conflict, therefore, the CPU repeatedly executes
As a result, the CPU does not start the next instruction processing but waits. If this happens, the number of
CHAPTER 34 CAUTIONS FOR WAIT
User’s Manual U16228EJ2V0UD
529
Related parts for UPD78F0138
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
16BIT MCU, 128K FLASH, 8K RAM, SMD
Manufacturer:
NEC
Datasheet:
Part Number:
Description:
8BIT UC, 32K FLASH, 1KB RAM, LCD
Manufacturer:
NEC
Datasheet:
Part Number:
Description:
8BIT MCU, 60K FLASH, 3KB RAM, CAN
Manufacturer:
NEC
Datasheet:
Part Number:
Description:
8BIT MCU, 128K FLASH, 7K RAM, LQFP
Manufacturer:
NEC
Datasheet:
Part Number:
Description:
8BIT MCU, 4K FLASH, 128B RAM, SMD
Manufacturer:
NEC
Datasheet:
Part Number:
Description:
16/8 bit single-chip microcomputer
Manufacturer:
NEC
Datasheet:
Part Number:
Description:
Dual audio power amp circuit
Manufacturer:
NEC
Datasheet:
Part Number:
Description:
Dual comparator
Manufacturer:
NEC
Datasheet:
Part Number:
Description:
MOS type composite field effect transistor
Manufacturer:
NEC
Datasheet: