UPD78F9222MC(T)-5A4-A NEC, UPD78F9222MC(T)-5A4-A Datasheet - Page 233
UPD78F9222MC(T)-5A4-A
Manufacturer Part Number
UPD78F9222MC(T)-5A4-A
Description
8BIT MCU, 4K FLASH, 256B RAM, 78F9222
Manufacturer
NEC
Datasheet
1.UPD78F9222MCT-5A4-A.pdf
(414 pages)
Specifications of UPD78F9222MC(T)-5A4-A
Controller Family/series
UPD78
No. Of I/o's
17
Ram Memory Size
256Byte
Cpu Speed
10MHz
No. Of Timers
4
No. Of
RoHS Compliant
Core Size
8bit
Program Memory Size
4KB
Oscillator Type
External, Internal
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD78F9222MC(T)-5A4-A
Manufacturer:
NEC
Quantity:
1 000
Company:
Part Number:
UPD78F9222MC(T)-5A4-A
Manufacturer:
NEC/PBF
Quantity:
6 640
Part Number:
UPD78F9222MC(T)-5A4-A
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
- Current page: 233 of 414
- Download datasheet (4Mb)
13.2 Standby Function Operation
13.2.1 HALT mode
Note “Cannot be stopped” or “Stopped by software” is selected for low-speed internal oscillator by the option byte
Item
System clock
CPU
Port (latch)
16-bit timer/event counter 00
8-bit timer 80
8-bit timer
H1
Watchdog
timer
A/D converter
Serial interface UART6
Power-on-clear circuit
Low-voltage detector
External interrupt
(1) HALT mode
(for the option byte, see CHAPTER 17 OPTION BYTE).
The HALT mode is set by executing the HALT instruction.
The operating statuses in the HALT mode are shown below.
Caution Because an interrupt request signal is used to clear the standby mode, if there is an interrupt
Sets count clock to f
Sets count clock to f
System clock selected as
operating clock
“Low-speed internal oscillation
clock” selected as operating
clock
source with the interrupt request flag set and the interrupt mask flag clear, the standby mode
is immediately cleared if set.
Setting of HALT Mode
XP
RL
/2
to f
Table 13-2. Operating Statuses in HALT Mode
7
XP
/2
12
CHAPTER 13 STANDBY FUNCTION
Clock supply to CPU is stopped.
Operation stops.
Holds status before HALT mode was set.
Operable
Operable
Operable
Operable
Setting prohibited
Operable (Operation
continues.)
Operable
Operable
Always operates.
Operable
Operable
Oscillator Cannot Be
User’s Manual U16898EJ5V0UD
Low-Speed Internal
Stopped
Note
Operable
Operation stops.
Operation stops.
When Low-Speed Internal
Oscillation Continues
Low-Speed Internal Oscillator Can Be Stopped
Operation stops.
When Low-Speed Internal
Oscillation Stops
Note
233
Related parts for UPD78F9222MC(T)-5A4-A
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
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:
Part Number:
Description:
50 V/100 mA FET array incorporating 2 N-ch MOSFETs
Manufacturer:
NEC
Datasheet:
Part Number:
Description:
6-pin small MM high-frequency double transistor
Manufacturer:
NEC
Datasheet:
Part Number:
Description:
6-pin small MM high-frequency double transistor
Manufacturer:
NEC
Datasheet:
Part Number:
Description:
6-pin small MM high-frequency double transistor
Manufacturer:
NEC
Datasheet:
Part Number:
Description:
6-pin small MM high-frequency double transistor
Manufacturer:
NEC
Datasheet:
Part Number:
Description:
Twin transistors equipped with different model chips(6P small MM)
Manufacturer:
NEC
Datasheet:
Part Number:
Description:
Bipolar analog integrated circuit
Manufacturer:
NEC
Datasheet: