HD4074329S Renesas Electronics America, HD4074329S Datasheet - Page 22
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
18
Timer C interrupt
Timer A interrupt
Timer B interrupt
INT interrupt
INT interrupt
ZCD interrupt
A/D interrupt
0
1
$000, 0
$000, 2
$000, 3
$001, 0
$001, 1
$001, 2
$001, 3
$002, 0
$002, 1
$002, 2
$002, 3
$003, 0
$003, 1
$003, 2
$003, 3
IMTC
IMZC
IMAD
IMTA
IMTB
IFAD
IFTA
IFTB
IFTC
IFZC
IM0
IM1
IF0
IF1
IE
Figure 6 Block Diagram of Interrupt Control Circuit
Priority control logic
Note: $m, n is RAM address $m,
Sequence control
• Push PC/CA/ST
• Reset IE
• Jump to vector address
bit number n.
$023, 2
$023, 3
IMS
IFS
Serial interrupt
Vector
address
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