HD4074329S Renesas Electronics America, HD4074329S Datasheet - Page 38

• 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
34
PC:
CA:
ST:
IM:
IE:
IF:
Interrupt request flag
Interrupt mask
Interrupt enable flag
Program counter
Carry flag
Status flag
Low-power mode
operation cycle
Figure 17 MCU Operating Sequence (MCU Operation Cycle)
Yes
Instruction execution
PC
MCU operation
SBY, STOP
instruction?
IF = 1?
next location
cycle
No
No
Yes
No
IE
PC
IM = 0, IE = 1?
0; stack
(CA), (ST)
vector address
Yes
(PC),