SM565 View Datasheet(PDF) - Sharp Electronics
Part Name
Description
Manufacturer
SM565 Datasheet PDF : 20 Pages
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4-Bit Single-Chip Microcomputer
SM565
P10
IFB
P1
P11
P12
GND
VDD
TEST
RESET
ACL
OSCIN
OSCOUT
OSC
DIV (2)
ROM
8,192-BYTE
SP
RD
H
L
D
E
RE
RF
P13
P20
P2
P21
P22
SND
P23
PU
PL
HC
RAM
P3
P30
PSW C
(192 x 4-BIT)
SB
BA
DISPLAY RAM
(64 x 4-BIT)
P31
P32
S0
R4
S1
S2
S3
IE
ALU
S4
DIV (1)
IFV
R5
S5
S6
S7
φ
CK1
CK2
ΦOUT
VDSP
VOA
VOB
H4
H3
H2
H1
TM
CG
TC
Φ
SI/P30
SB
SO/P32
SCK/P31
P...00
P03
CNT
IFT
IFA
IFS
IFB
SND P23
IME
INT
DS BR
HC
DIV (1)
S8
R6
S9
S10
S11
S12
R7
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
NOTE: Symbol Description
A, B: Accumulators
HC: Common signal circuit
R4-R7: General-purpose registers
ACL: Auto clear
IE: Interrupt enable F/F
RD, RE, RF: Mode registers
ALU: Arithmetic logic unit
IFA, IFB, IFS, IFT, IFV: Interrupt requests SB: Shift register
BR, DS: Common signal control F/F IME: Interrupt master enable F/F
SP: Stack pointer
CG: Clock generator
P1 - P3: Registers
TC: Count register
DIV: Divider
PL, PU: Program counters
D, E, H, L: General-purpose registers PSW: Program status word register
TM: Modulo register
Φ: Carrier control circuit
565-2
Figure 2. Block Diagram
Microcomputer Data Sheet
3
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