HD4074329S Renesas Electronics America, HD4074329S Datasheet - Page 67

• 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

Table 31
Static Duty Cycle
Instruction Cycle
Time
2 s
1/2 Duty Cycle
Instruction Cycle
Time
2 s
1/3 Duty Cycle
Instruction Cycle
Time
2 s
1/4 Duty Cycle
Instruction Cycle
Time
2 s
Note: * The division ratio depends on the value of bit 3 of timer mode register A (TMA); the first value is for
TMA3 = 0 and the second is for TMA3 = 1.
When TMA3 = 0, CL3 = f
When TMA3 = 1, CL3 = 32.768 kHz/512.
LCD Frame Periods for Different Duty Cycles
LMR
Bit 3
0
CL0
512 Hz
LMR
Bit 3
0
CL0
256 Hz
LMR
Bit 3
0
CL0
170.6 Hz
LMR
Bit 3
0
CL0
128 Hz
cyc
/4096
Bit 2
0
Bit 2
0
Bit 2
0
Bit 2
0
Bit 3
0
CL1
1953 Hz
Bit 3
0
CL1
976.5 Hz
Bit 3
0
CL1
651 Hz
Bit 3
0
CL1
488.2 Hz
Bit 2
1
Bit 2
1
Bit 2
1
Bit 2
1
Bit 3
1
CL2
244 Hz
Bit 3
1
CL2
122 Hz
Bit 3
1
CL2
81.3 Hz
Bit 3
1
CL2
61 Hz
Bit 2
0
Bit 2
0
Bit 2
0
Bit 2
0
HD404328 Series
Bit 3
1
CL3*
122 Hz/64 Hz
Bit 3
1
CL3*
61 Hz/32 Hz
Bit 3
1
CL3*
40.6 Hz/21.3 Hz
Bit 3
1
CL3*
30.5 Hz/16 Hz
Bit 2
1
Bit 2
1
Bit 2
1
Bit 2
1
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