HD4074329S Renesas Electronics America, HD4074329S Datasheet - Page 22

• 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
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