UPD78F0537DGA(T)-9EV-A NEC, UPD78F0537DGA(T)-9EV-A Datasheet - Page 297

• 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

<R>
Note If the peripheral hardware clock (f
Caution Do not change the count clock and interval time (by setting bits 4 to 7 (WTM4 to WTM7) of WTM)
Remarks 1. f
operating frequency varies depending on the supply voltage.
• V
• V
• V
during watch timer operation.
2. f
3. f
DD
DD
DD
= 4.0 to 5.5 V: f
= 2.7 to 4.0 V: f
= 1.8 to 2.7 V: f
W
PRS
SUB
:
: Peripheral hardware clock frequency
: Subsystem clock frequency
Watch timer clock frequency (f
PRS
PRS
PRS
≤ 20 MHz
≤ 10 MHz
≤ 5 MHz (Standard and (A) grade products only)
CHAPTER 10 WATCH TIMER
PRS
User’s Manual U17260EJ6V0UD
) operates on the high-speed system clock (f
PRS
/2
7
or f
SUB
)
XH
) (XSEL = 1), the f
297
PRS