HD4074329S Renesas Electronics America, HD4074329S Datasheet - Page 39

• 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

Limitation on Use
In subactive mode, the timer A interrupt request or the external interrupt request (INT
synchronism with the interrupt strobe. If the STOP or SBY instruction is executed at the same time
with the interrupt strobe, these interrupt requests will be cancelled and its corresponding interrupt
request flags (IFTA, IF0) will be not set.
In subactive mode, do not use the STOP or SBY instruction at the time of the interrupt strobe.
PC
Low-power mode
Hardware NOP
MCU operation
operation cycle
IF = 1, IM = 0?
execution
Figure 18 MCU Operating Sequence (Low-Power Mode Operation)
next location
cycle
Yes
No
No
Standby/watch mode
Instruction execution
PC
Hardware NOP
IF = 1, IM = 0?
execution
next location
Yes
For IF and IM operation,
refer to figure 11.
Stop mode
HD404328 Series
0
) occurs in
35