upd78f0124hgba1-8et-a Renesas Electronics Corporation., upd78f0124hgba1-8et-a Datasheet - Page 348

• Manufacturer Part Number: upd78f0124hgba1-8et-a
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

348
Remark f
Subsystem clock
RESET signal
Status of CPU
×: don’t care
Maskable interrupt
request
RESET input
R
: Internal oscillation clock oscillation frequency
Table 18-3. Operation in Response to Interrupt Request in HALT Mode
Release Source
Subsystem
Figure 18-4. HALT Mode Release by RESET Input (2/2)
Operating
clock
mode
(3) When subsystem clock is used as CPU clock
HALT instruction
CHAPTER 18 STANDBY FUNCTION
MK××
User’s Manual U16962EJ3V0UD
0
0
0
0
0
1
−
HALT mode
PR××
0
0
1
1
1
×
−
IE
0
1
0
×
1
×
×
Oscillates
period
Reset
ISP
×
×
1
0
1
×
×
Operation
stopped
(17/f
R
Next address
instruction execution
Interrupt servicing
execution
Next address
instruction execution
Interrupt servicing
execution
HALT mode held
Reset processing
)
(internal oscillation clock)
Operation
Operating mode