HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 93

• Manufacturer Part Number: HD6477021X20V
• Description: MCU 5V 32K PB-FREE 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7020r

Specifications of HD6477021X20V

• Core Processor: SH-1
• Core Size: 32-Bit
• Speed: 20MHz
• Connectivity: EBI/EMI, SCI
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: OTP
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

5.4.2
Figure 5.3 shows the stack after interrupt exception processing.
72 RENESAS
Notes: 1.
Stack after Interrupt Exception Processing
2.
3.
Bus width is 16 bits.
PC stores the top address of the next instruction (return instruction) after the
executed instruction.
The value of SP must always be a multiple of four.
Address
Figure 5.3 Stack after Interrupt Exception Processing
4n–8
4n–6
4n–4
4n–2
4n
PC*
SR
2
Upper 16 bits
Lower 16 bits
Upper 16 bits
Lower 16 bits
SP*
3