UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 549

• Manufacturer Part Number: UPD78F0890GK(A)-GAJ-AX
• Description: 8BIT MCU, 128K FLASH, 7K RAM, LQFP
• Manufacturer: NEC

Specifications of UPD78F0890GK(A)-GAJ-AX

• Controller Family/series: UPD78F
• No. Of I/o's: 55
• Ram Memory Size: 7KB
• Cpu Speed: 20MHz
• No. Of Timers: 10
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 128KB
• Oscillator Type: External, Internal

(2) STOP mode release
High-speed system
clock (X1 oscillation)
is selected as CPU
clock when STOP
instruction is executed
High-speed system
clock (external clock
input) is selected as
CPU clock when STOP
instruction is executed
Internal high-speed
oscillation clock is
selected as CPU clock
when STOP instruction
is executed
High-speed system
clock (X1 oscillation)
High-speed system
clock (external clock
input)
Internal high-speed
oscillation clock
Notes 1. When AMPH = 1
The STOP mode can be released by the following two sources.
2. The wait time is as follows:
STOP mode
• When vectored interrupt servicing is carried out:
• When vectored interrupt servicing is not carried out:
STOP mode release
Figure 18-5. Operation Timing When STOP Mode Is Released
(When Unmasked Interrupt Request Is Generated)
Wait for oscillation accuracy
(oscillation stabilization time set by OSTS)
stabilization (86 to 361 s)
Supply of the CPU clock is stopped (4.06 to 16.12 s)
CHAPTER 18 STANDBY FUNCTION
Supply of the CPU clock is stopped (160 external clocks)
HALT status
User’s Manual U17554EJ4V0UD
Internal high-speed
Wait
oscillation clock
Wait
Note2
Note2
Clock switched by software
Clock switched by software
2 or 3 clocks
8 or 9 clocks
High-speed system clock
High-speed system clock
High-speed system clock
Note1
Note1
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