HD64F36077GHV Renesas Electronics America, HD64F36077GHV Datasheet - Page 103

• Manufacturer Part Number: HD64F36077GHV
• Description: 16BIT MCU FLASH 56K, SMD, LQFP64
• Manufacturer: Renesas Electronics America

Specifications of HD64F36077GHV

• No. Of I/o's: 47
• Ram Memory Size: 4KB
• Cpu Speed: 20MHz
• No. Of Timers: 4
• Digital Ic Case Style: LQFP
• Supply Voltage Range: 4.5V
• Core Size: 16bit
• Program Memory Size: 56KB
• Oscillator Type: External Only
• Controller Family/series: H8/300H
• Peripherals: ADC
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Bit
4
3
2
Bit Name
OSCSEL
CKSWIE
CKSWIF
Initial
Value
0
0
0
R/W
R/W
R/W
R/W
LSI Operating Clock Select
Clock Switching Interrupt Enable
Clock Switching Interrupt Request Flag
Description
This bit is used to forcibly select the system clock of this
LSI.
0: The on-chip oscillator clock selected as the system
1: The external input selected as the system clock source
This bit is used to switch the on-chip oscillator clock to the
external clock. While this LSI is operating on the on-chip
oscillator clock, setting this bit to 1 switches the system
clocks to the external clock.
[Setting condition]
[Clearing conditions]
Setting this bit to 1 enables the clock switching interrupt
request.
[Setting condition]
[Clearing condition]
clock source
When OSCBAKE
When OSCBAKE
When 1 is written to this bit while CKSWIF = 0
When 0 is written to this bit
When the external oscillator halt is detected while
OSCBAKE
When the external clock is switched to the on-chip
oscillator clock as the system clock source
When writing 0 after reading as 1
1
Rev. 1.00 Sep. 16, 2005 Page 73 of 490
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Section 5 Clock Pulse Generator
REJ09B0216-0100