HD4074329S Renesas Electronics America, HD4074329S Datasheet - Page 24

• Manufacturer Part Number: HD4074329S
• Description: MCU 4-Bit HMCS400 CISC 20KB EPROM 3.3V/5V 64-Pin SDIP
• Manufacturer: Renesas Electronics America

Specifications of HD4074329S

• Package: 64SDIP
• Family Name: HMCS400
• Maximum Speed: 4.5 MHz
• Ram Size: 268 Byte
• Program Memory Size: 20 KB
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 4 Bit
• Program Memory Type: EPROM
• Number Of Programmable I/os: 35
• On-chip Adc: 4-chx8-bit
• Operating Temperature: -20 to 75 °C
• Number Of Timers: 3

HD404328 Series
20
Instruction cycles
The stack is accessed and the IE reset after the instruction
is executed, even if it is a two-cycle instruction.
acceptance
Instruction
execution
Interrupt
1
Stacking;
IE reset
2
Figure 7 Interrupt Processing Sequence
vector address
generation
Stacking;
3
instruction at vector address
Execution of JMPL
4
5
start address
instruction at
Execution of
of interrupt
routine
6