HD4074329S Renesas Electronics America, HD4074329S Datasheet - Page 16

• 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
12
Memory registers
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
PC –PC :
13
MR (10)
MR (11)
MR (12)
MR (13)
MR (14)
MR (15)
MR (0)
MR (1)
MR (2)
MR (3)
MR (4)
MR (5)
MR (6)
MR (7)
MR (8)
MR (9)
Figure 4 Configuration of Memory Registers and Stack Area, and Stack Position
CA:
ST:
0
Program counter
Status flag
Carry flag
$040
$041
$042
$043
$044
$045
$046
$047
$048
$049
$04A
$04B
$04C
$04D
$04E
$04F
1023
960
Stack area
Level 16
Level 15
Level 14
Level 13
Level 12
Level 11
Level 10
Level 9
Level 8
Level 7
Level 6
Level 5
Level 4
Level 3
Level 2
Level 1
$3C0
$3FF
1020
1021
1022
1023
PC
PC
Bit 3
CA
ST
10
3
PC
PC
PC
PC
Bit 2
13
9
6
2
Bit 1
PC
PC
PC
PC
12
8
5
1
Bit 0
PC
PC
PC
PC
11
7
4
0
$3FC
$3FD
$3FE
$3FF