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3826OTP Datasheet(PDF) 1 Page - Renesas Technology Corp

Part No. 3826OTP
Description  SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
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Maker  RENESAS [Renesas Technology Corp]
Homepage  http://www.renesas.com
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3826OTP Datasheet(HTML) 1 Page - Renesas Technology Corp

 
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DESCRIPTION
The 3826 group is the 8-bit microcomputer based on the 740 fam-
ily core technology.
The 3826 group has the LCD drive control circuit, an 8-channel A/
D converter, D/A converter, serial interface and PWM as additional
functions.
The various microcomputers in the 3826 group (One Time PROM
version) include variations of internal memory size and packaging.
This datasheet describes only the One Time PROM version (ROM
60 K version) of 3826 Group.
FEATURES
Basic machine-language instructions ....................................... 71
The minimum instruction execution time ............................ 0.5 µs
(at 8MHz oscillation frequency)
Memory size
ROM ............................................................................. 60 K bytes
RAM ............................................................................ 2560 bytes
Programmable input/output ports ............................................. 55
Software pull-up resistors .................................................... Built-in
Output ports ................................................................................. 8
Input ports .................................................................................... 1
Interrupts .................................................. 17 sources, 16 vectors
External ................ 7 sources (includes key input interrupt)
Internal ................................................................ 9 sources
Software ................................................................ 1 source
Timers ............................................................ 8-bit ✕ 3, 16-bit ✕ 2
Serial interface
Serial I/O1 ...................... 8-bit ✕ 1 (UART or Clock-synchronous)
Serial I/O2 .................................... 8-bit ✕ 1 (Clock-synchronous)
PWM output .................................................................... 8-bit ✕ 1
A/D converter ............. 10-bit ✕ 8 channels or 8-bit ✕ 8 channels
D/A converter .................................................. 8-bit ✕ 2 channels
(used as DTMF and CTCSS function)
LCD drive control circuit
Bias ......................................................................... 1/2, 1/3
Duty .................................................................. 1/2, 1/3, 1/4
Common output ................................................................ 4
Segment output .............................................................. 40
2 Clock generating circuits
(connect to external ceramic resonator or quartz-crystal oscillator)
Watchdog timer ............................................................. 14-bit ✕ 1
Power source voltage
In high-speed mode (f(XIN) = 8 MHz) ..................... 4.0 V to 5.5 V
In middle-speed mode (f(XIN) = 8 MHz) ................. 2.5 V to 5.5 V
In low-speed mode .................................................. 2.5 V to 5.5 V
Power dissipation
In high-speed mode ................................................... Typ. 32 mW
(f(XIN) = 8 MHz, VCC = 5 V, Ta = 25 °C)
In low-speed mode ...................................................... Typ. 45 µW
(f(XIN) = stop, f(XCIN) = 32 kHz, VCC = 3 V, Ta = 25 °C)
Operating temperature range ................................... – 20 to 85°C
APPLICATIONS
Camera, cordless phone, wireless application, household appli-
ances, etc.
3826 Group (One Time PROM version)
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
REJ03B0181-0100
Rev.1.00
Sep 06, 2006
Rev.1.00
Sep 06, 2006
page 1 of 88
REJ03B0181-0100


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