UPD78F0537DGA(T)-9EV-A NEC, UPD78F0537DGA(T)-9EV-A Datasheet - Page 316

• Manufacturer Part Number: UPD78F0537DGA(T)-9EV-A
• Description: 8BIT MCU, 128K FLASH, 7KB RAM, SMD
• Manufacturer: NEC

Specifications of UPD78F0537DGA(T)-9EV-A

• Controller Family/series: UPD78
• No. Of I/o's: 55
• Ram Memory Size: 7KB
• Cpu Speed: 20MHz
• No. Of Timers: 8
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 128KB
• Oscillator Type: External, Internal

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Note To stabilize the internal circuit, the time from the rising of the ADCE bit to the falling of the ADCS bit must be
Cautions 1. A/D conversion must be stopped before rewriting bits FR0 to FR2, LV1, and LV0 to values
1
µ
s or longer.
2. If data is written to ADM, a wait cycle is generated. Do not write data to ADM when the CPU is
other than the identical data.
operating on the subsystem clock and the peripheral hardware clock is stopped. For details,
see CHAPTER 35 CAUTIONS FOR WAIT.
Comparator
ADCE
ADCS
Figure 13-4. Timing Chart When Comparator Is Used
Note
Conversion
CHAPTER 13 A/D CONVERTER
operation
User’s Manual U17260EJ6V0UD
Comparator operation
Conversion
waiting
Conversion
operation
Conversion
stopped