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HD4043312 View Datasheet(PDF) - Renesas Electronics

Part NameDescriptionManufacturer
HD4043312 4-bit HMCS400-Series microcomputer with large-capacity memory Renesas
Renesas Electronics Renesas
HD4043312 Datasheet PDF : 80 Pages
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HD404339 Series
Block Diagram
INT0
INT1
Interrupt
control
Timer A
EVNB
Timer B
TOC
Timer C
SI
SO
SCK
Serial
interface
AVSS
AN 0
••
••
••
AN11
AVCC
A/D
converter
BUZZ
Data bus
Buzzer
High voltage
pin
Directional
signal line
System control
RAM
(512 × 4 bits)
W
(4 bits)
X
(4 bits)
SPX
(4 bits)
Y
(4 bits)
SPY
(4 bits)
ALU
ST
CA
(1 bit) (1 bit)
A
(4 bits)
B
(4 bits)
SP
(10 bits)
Instruction
decoder
PC
(14 bits)
ROM
(16,384 × 10 bits) (6,144 × 10 bits)
(12,288 × 10 bits) (4,096 × 10 bits)
(8,192 × 10 bits)
8
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
R00
R01
R02
R03
R10
R11
R12
R13
R20
R21
R22
R23
R30
R31
R32
R33
R40
R41
R42
R43
R50
R51
R52
R53
R60
R61
R62
R63
R70
R71
R72
R80
R81
R82
R83
R90
R91
R92
R93
RA1
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