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PDF HD404052 Data sheet ( Hoja de datos )
| Número de pieza | HD404052 | |
| Descripción | (HD404054 / HD404094) HMCS400-series microcomputers designed to increase program productivity | |
| Fabricantes | Hitachi Semiconductor | |
| Logotipo |  |
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HD404054 Series/HD404094 Series
Rev. 6.0
Sept. 1998
Description
The HD404054 Series and HD404094 Series are HMCS400-series microcomputers designed to increase
program productivity with large-capacity memory. Each microcomputer has three timers, one serial
interface, comparator, input capture circuit.
The HD404054 Series includes three chips: the HD404052 with 2-kword ROM; the HD404054 with 4-
kword ROM; and the HD4074054 with 4-kword PROM (ZTAT™ version). Also, the HD404094 Series
includes three chips: the HD404092 with 2-kword ROM; the HD404094 with 4-kword ROM; and the
HD4074094 with 4-kword PROM (ZTAT™ version).
The HD4074054 and HD4074094 are PROM version (ZTAT™ microcomputers). Program can be written
to the PROM by a PROM writer, which can dramatically shorten system development periods and smooth
the process from debugging to mass production. (The ZTAT™version is 27256-compatible.)
Features
• The differences between HD404054 Series and HD404094 Series
I/O pins
HD404054 Series
HD404094 Series
10 large-current output pins: Six 15-mA sinks • 6 largecurrent output pins: Two 15-mA
and four 10-mA sources
sinks and four 10-mA sources
• 4 intermediate voltage output pins
• 27 I/O pins and 8 dedicated input pins
• Three timer/counters
• Eight-bit input capture circuit
• Two timer outputs (including two PWM outputs)
• One event counter inputs (including one double-edge function)
• One clock-synchronous 8-bit serial interface
• Comparator (2 channels)
• Built-in oscillators
www.DataSMhaieneclto4cUk: .Cceorammic or crystal oscillator (an external clock is also possible)
1 page  
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Block Diagram
HD404054 Series/HD404094 Series
INT0
INT1
External
interrupt
Timer
A
TOC
EVND
TOD
SI1
SO1
SCK1
VCref
COMP0
COMP1
Timer
C
Timer
D
Serial
1
Compa-
rator
Note: *Only HD404094 Series
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System control
RAM
(512 × 4bit)
W (2bit)
X (4bit)
SPX (4bit)
Y (4bit)
SPY (4bit)
ALU
CPU
ST CA
(1bit) (1bit)
A (4bit)
B (4bit)
SP (10bit)
Instruction
decoder
PC (14bit)
ROM
(4,096 ×10bit)
(2,048 ×10bit)
D0 High
D1 current
D2 source
D3 pins
D4 Intermediate
D5
D6
D7
D8
High
current
sink pins
voltage NMOS
open-drain
output pins*
D9
D12
D13
R00
R10
R11
R12
R13
R2 0
R2 1
R2 2
R2 3
R3 0
R3 1
R3 2
R3 3
R4 0
R4 1
R4 2
R4 3
RD0
RD1
RD2
RD3
RC0
RE0
: Data bus
: Signal line
5
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HD404054 Series/HD404094 Series
Memory registers
64 MR(0) $040
65 MR(1) $041
66 MR(2) $042
67 MR(3) $043
68 MR(4) $044
69 MR(5) $045
70 MR(6) $046
71 MR(7) $047
72 MR(8) $048
73 MR(9) $049
74 MR(10) $04A
75 MR(11) $04B
76 MR(12) $04C
77 MR(13) $04D
78 MR(14) $04E
79 MR(15) $04F
Stack area
960 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
1023 Level 1
$3C0
$3FF
Bit 3
1020 ST
1021
1022
PC10
CA
1023 PC3
Bit 2
PC13
PC9
PC6
PC2
Bit 1
PC12
PC8
PC5
PC1
Bit 0
PC11
PC7
PC4
PC0
$3FC
$3FD
$3FE
$3FF
PC13–PC0: Program counter
ST: Status flag
CA: Carry flag
Figure 6 Configuration of Memory Registers and Stack Area, and Stack Position
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| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet HD404052.PDF ] | |
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