HD4074329S Renesas Electronics America, HD4074329S Datasheet - Page 46
HD4074329S
Manufacturer Part Number
HD4074329S
Description
MCU 4-Bit HMCS400 CISC 20KB EPROM 3.3V/5V 64-Pin SDIP
Manufacturer
Renesas Electronics America
Datasheet
1.HD4074329S.pdf
(98 pages)
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
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HD404328 Series
42
Serial mode register (SMR): $005
Port mode register A (PMRA): $004
Port mode register B (PMRB): $011
3
3
3
PMRA
Bit 3
0
1
2
2
2
Port
Selection
INT
D
10
1
1
1
1
Figure 24 I/O Switching Mode Registers
PMRA
Bit 2
0
0
0
0
1
R1 /SCK pin mode selection
0
Port
Selection
Initial value: 0000, R/W: W
Initial value: 0000, R/W: W
Initial value: 0000, R/W: W
INT
D
D /ZCD/EVENT pin mode selection
Not used
8
9
0
R1 /SO pin mode selection
R1 /SI pin mode selection
D /INT pin mode selection
D /INT pin mode selection
10
9
2
1
Note: Becomes low sensitivity in subactive mode.
PMRA
Bit 1
Bit 1
0
0
1
1
0
1
*
PMRB
Port
Selection
Bit 0
R1
SI
0
1
0
1
1
SMR
Bit 3
ZCD (low sensitivity)
ZCD (high sensitivity)
D
EVENT
8
0
1
PMRA
Bit 0
0
1
Port
Selection
Port
Selection
SCK
R1
Port
Selection
0
SO
R1
2
*
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