UPD78F0413GA-GAM-AX NEC, UPD78F0413GA-GAM-AX Datasheet - Page 110

• Manufacturer Part Number: UPD78F0413GA-GAM-AX
• Description: 8BIT UC, 32K FLASH, 1KB RAM, LCD
• Manufacturer: NEC

Specifications of UPD78F0413GA-GAM-AX

• Controller Family/series: UPD78F
• No. Of I/o's: 30
• Ram Memory Size: 1024Byte
• Cpu Speed: 10MHz
• No. Of Timers: 8
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 32KB
• Oscillator Type: External, Internal

110
Address: FF9FH
OSCCTL
Symbol
Caution To change the value of EXCLK and OSCSEL, be sure to confirm that bit 7 (MSTOP)
Remark f
EXCLK
EXCLK
Figure 5-2. Format of Clock Operation Mode Select Register (OSCCTL)
<7>
0
0
1
1
After reset: 00H
of the main OSC control register (MOC) is 1 (the X1 oscillator stops or the external
clock from the EXCLK pin is disabled).
Be sure to clear bits 0 to 3, and 5 to “0”.
XH
: High-speed system clock oscillation frequency
OSCSEL
OSCSEL
<6>
0
1
0
1
R/W
CHAPTER 5 CLOCK GENERATOR
High-speed system clock
Input port mode
X1 oscillation mode
Input port mode
External clock input
mode
pin operation mode
User’s Manual U18698EJ1V0UD
0
5
OSCSELS
<4>
Input port
Crystal/ceramic resonator connection
Input port
Input port
3
0
P121/X1 pin
2
0
External clock input
P122/X2/EXCLK pin
1
0
0
0