HD4074329S Renesas Electronics America, HD4074329S Datasheet - Page 35

• 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

Miscellaneous register (MIS): $00C
3
2
Interrupt strobe
INT
Interrupt request
generation
(During the transition
from watch mode to
active mode only)
T:
t
RC
0
:
Interrupt frame length
Oscillation stabilization period
1
Active mode
0
R1 /SO PMOS off
Setting for switching
the system oscillator’s
frequency
2
Initial value: 0000,
R/W: W
Figure 14 Miscellaneous Register
Figure 13 Interrupt Frame
t
RC
Watch mode
selection
T
Notes: 1.
T:
t
RC
Bit 1 Bit 0
0
0
1
1
T
:
T
X
MIS
Interrupt frame length
Oscillation stabilization period
2.
1
0
1
0
The value of t
using a 32.768-kHz crystal oscillator.
Only direct transfer.
t
RC
0.24414 ms
15.625 ms
125 ms
Oscillation
stabilization period
T
*
1
Active mode
Not used
RC
HD404328 Series
applies only when
0.12207 ms
0.24414
7.8125 ms
62.5 ms
t
RC
*
*
1
2
ms
31