HD64F36077GHV Renesas Electronics America, HD64F36077GHV Datasheet - Page 87

• 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

3.4.4
Table 3.2 shows the number of wait states after an interrupt request flag is set until the first
instruction of the interrupt handling-routine is executed.
Table 3.2
Note:
Item
Waiting time for completion of executing instruction*
Saving of PC and CCR to stack
Vector fetch
Instruction fetch
Internal processing
*
SP – 4
SP – 3
SP – 2
SP – 1
SP (R7)
[Legend]
PC H :
PC L :
CCR:
SP:
Notes:
Interrupt Response Time
Not including EEPMOV instruction.
Interrupt Wait States
Upper 8 bits of program counter (PC)
Lower 8 bits of program counter (PC)
Condition code register
Stack pointer
2.
3. Ignored when returning from the interrupt handling routine.
1.
Register contents must always be saved and restored by word length, starting from
an even-numbered address.
PC shows the address of the first instruction to be executed upon return from the interrupt
handling routine.
Prior to start of interrupt
Figure 3.2 Stack Status after Exception Handling
exception handling
Stack area
saved to stack
PC and CCR
SP (R7)
SP + 1
SP + 2
SP + 3
SP + 4
After completion of interrupt
States
1 to 23
4
2
4
4
exception handling
Rev. 1.00 Sep. 16, 2005 Page 57 of 490
CCR
CCR
PCH
PCL
*3
Section 3 Exception Handling
Even address
Total
15 to 37
REJ09B0216-0100