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7478 Fiches technique(PDF) 2 Page - Renesas Technology Corp

No de pièce 7478
Description  SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
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Fabricant  RENESAS [Renesas Technology Corp]
Site Internet  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7478 Fiches technique(HTML) 2 Page - Renesas Technology Corp

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MITSUBISHI MICROCOMPUTERS
7477/7478 GROUP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
DESCRIPTION
The 7477/7478 group is the single-chip microcomputer designed
with CMOS silicon gate technology.
The single-chip microcomputer is useful for business equipment
and other consumer applications.
In addition to its simple instruction set, the ROM, RAM, and I/O
addresses are placed on the same memory map to enable easy
programming.
In addition, built-in PROM type microcomputers with built-in elec-
trically writable PROM, and additional functions equivalent to the
mask ROM version are also available.
7477/7478 group products are shown noted below.
The 7477 and the 7478 differ in the number of I/O por ts, package
outline, and clock generating circuit only.
Version
Mask ROM version
One Time PROM version
(Built-in PROM type microcomputers)
Mask ROM version
One Time PROM version
(Built-in PROM type microcomputers)
PROM version
(Built-in PROM type microcomputer)
Mask ROM version
One Time PROM version
(Built-in PROM type microcomputers)
Mask ROM version
One Time PROM version
(Built-in PROM type microcomputers)
Product
M37477M4-XXXSP/FP
M37477M8-XXXSP/FP
M37477E8SP/FP
M37477E8-XXXSP/FP
M37478M4-XXXSP/FP
M37478M8-XXXSP/FP
M37478E8SP/FP
M37478E8-XXXSP/FP
M37478E8SS
M37477M2TXXXSP/FP*
M37477M4TXXXSP/FP*
M37477M8TXXXSP/FP*
M37477E8TXXXSP/FP*
M37478M2TXXXSP/FP*
M37478M4TXXXSP/FP*
M37478M8TXXXSP/FP*
M37478E8TXXXSP/FP*
q8-bit timers ................................................................................. 4
qProgrammable I/O ports
(Ports P0, P1, P4) .......................................... 18 (7477 group)
20 (7478 group)
qInput ports (Ports P2, P3) .................................... 8 (7477 group)
(Ports P2, P3, P5) ............................16 (7478 group)
q8-bit serial I/O ........................... 1 (UART or clock-synchronized)
q8-bit A-D converter ................................ 4 channels (7477 group)
8 channels (7478 group)
APPLICATIONS
Audio-visual equipment, VCR, Tuner,
Office automation equipment
Extended operating temperature range version
……………………………………………… Automotive controls
* : Extended operating temperature version
FEATURES
qBasic machine-language instructions ...................................... 71
qMemory size
ROM ................. 16384 bytes (M37477M8/E8, M37478M8/E8)
RAM ..................... 384 bytes (M37477M8/E8, M37478M8/E8)
qThe minimum instruction execution time
...................................... 0.5
µs (at 8MHz oscillation frequency)
qPower source voltage
.......... 2.7 to 4.5V (at 2.2VCC – 2.0MHz oscillation frequency)
............................. 4.5 to 5.5V (at 8MHz oscillation frequency)
qPower dissipation in normal mode
.................................... 35mW (at 8MHz oscillation frequency)
qSubroutine nesting
................... 192 levels max. (M37477M8/E8, M37478M8/E8)
qInterrupt .................................................... 13 sources, 11 vectors


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