UPD78F9502MA-CAC-A NEC, UPD78F9502MA-CAC-A Datasheet - Page 67

• Manufacturer Part Number: UPD78F9502MA-CAC-A
• Description: 8BIT MCU, 4K FLASH, 128B RAM, SMD
• Manufacturer: NEC

Specifications of UPD78F9502MA-CAC-A

• Controller Family/series: UPD78F
• No. Of I/o's: 8
• Ram Memory Size: 128Byte
• Cpu Speed: 10MHz
• No. Of Timers: 2
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 4KB
• Oscillator Type: External, Internal

(a) The internal reset signal is generated by the power-on clear function on power application, the option byte is
(b) The option byte is referenced and the system clock is selected. Then the high-speed internal oscillation
Remark PCC:
referenced after reset, and the system clock is selected.
clock operates as the system clock.
PPCC: Preprocessor clock control register
Figure 5-7. Status Transition of Default Start by High-Speed internal oscillation
Processor clock control register
Interrupt
HALT
CHAPTER 5 CLOCK GENERATORS
Preliminary User’s Manual U18681EJ1V0UD
instruction
High-speed internal
Clock division ratio
oscillator selected
HALT
power-on clear
variable during
CPU operation
by option byte
Reset by
application
Power
instruction
V
Start with PCC = 02H,
PPCC = 02H
STOP
DD
> 2.1 V 0.1 V
STOP
Interrupt
Reset signal
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