HD6473837H Renesas Electronics America, HD6473837H Datasheet - Page 96

• Manufacturer Part Number: HD6473837H
• Description: IC H8 MCU OTP 60K 100QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Lr

Specifications of HD6473837H

• Core Processor: H8/300L
• Core Size: 8-Bit
• Speed: 5MHz
• Connectivity: SCI
• Peripherals: LCD, PWM
• Number Of I /o: 84
• Program Memory Size: 60KB (60K x 8)
• Program Memory Type: OTP
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 12x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Figure 3.6 shows a typical interrupt sequence where the program area is in the on-chip ROM and
the stack area is in the on-chip RAM.
SP – 4
SP – 3
SP – 2
SP – 1
SP (R7)
Notation:
PC
PC
CCR:
SP:
Notes:
* Ignored on return from interrupt.
H
L
:
:
Upper 8 bits of program counter (PC)
Lower 8 bits of program counter (PC)
Condition code register
Stack pointer
2.
1.
Figure 3.5 Stack State after Completion of Interrupt Exception Handling
Register contents must always be saved and restored by word access,
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
exception handling
Stack area
saved to stack
PC and CCR
SP (R7)
SP + 1
SP + 2
SP + 3
SP + 4
After completion of interrupt
exception handling
CCR*
CCR
PC
PC
H
L
Even address
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