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38D2 Datasheet(PDF) 1 Page - Renesas Technology Corp

Part No. 38D2
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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38D2 Datasheet(HTML) 1 Page - Renesas Technology Corp

 
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Rev.3.02
Apr 10, 2008
Page 1 of 131
REJ03B0177-0302
DESCRIPTION
The 38D2 Group is the 8-bit microcomputer based on the 740
Family core technology.
The 38D2 Group is pin-compatible with the 38C2 Group.
The 38D2 Group has an LCD drive control circuit, an A/D
converter, a serial interface, and a ROM correction function and
on-chip oscillator as additional functions.
The QzROM version and the flash memory version are available.
The flash memory version does not have a selection function for
the oscillation start mode. Only the on-chip oscillator starts
oscillating.
The various microcomputers include variations of memory size,
and packaging. For details, refer to the section on part
numbering.
FEATURES
• Basic machine-language instructions ................................. 71
• The minimum instruction execution time ................... 0.32
μs
(at 12.5 MHz oscillation frequency)
• Memory size (QzROM version)
ROM ........................................................ 16 K to 60 K bytes
RAM ........................................................... 640 to 2048 bytes
• Memory size (Flash memory version)
ROM ...................................................................... 60 K bytes
RAM ...................................................................... 2048 bytes
• Programmable input/output ports .. 51 (common to SEG: 24)
• Interrupts ............................................. 18 sources, 16 vectors
• Timers ..................................................... 8-bit × 4, 16-bit × 2
• Serial interface ....... 8-bit × 2 (UART or Clock-synchronized)
• PWM .......... 10-bit × 2, 16-bit × 1 (common to IGBT output)
• A/D converter .......................................... 10-bit × 8 channels
(A/D converter can be operated in low-speed mode.)
• Watchdog timer ......................................................... 8-bit × 1
• ROM correction function ....................... 32 bytes × 2 vectors
• LED direct drive port ............................................................ 8
(average current: 15 mA, peak current: 30 mA, total current: 90 mA)
• LCD drive control circuit
Bias ............................................................................ 1/2, 1/3
Duty .............................................................................. 2, 3, 4
Common output .................................................................... 4
Segment output ................................................................... 24
• Main clock generating circuit ............................................... 1
(connect to external ceramic resonator or on-chip oscillator)
• Sub-clock generating circuit ..................................................1
(connect to external quartz-crystal oscillator)
• Power source voltage (QzROM version)
[In frequency/2 mode]
f(XIN)
≤ 12.5 MHz.............................................. 4.5 to 5.5 V
f(XIN)
≤ 8 MHz................................................... 4.0 to 5.5 V
f(XIN)
≤ 4 MHz................................................... 2.0 to 5.5 V
f(XIN)
≤ 2 MHz................................................... 1.8 to 5.5 V
[In frequency/4 mode]
f(XIN)
≤ 16 MHz................................................. 4.5 to 5.5 V
f(XIN)
≤ 8 MHz................................................... 2.0 to 5.5 V
f(XIN)
≤ 4 MHz................................................... 1.8 to 5.5 V
[In frequency/8 mode]
f(XIN)
≤ 16 MHz................................................. 4.5 to 5.5 V
f(XIN)
≤ 8 MHz................................................... 2.0 to 5.5 V
f(XIN)
≤ 4 MHz................................................... 1.8 to 5.5 V
[In low-speed mode].............................................. 1.8 to 5.5 V
Note. 12.5 MHz < f(XIN)
16 MHz is not available in the fre-
quency/2 mode.
• Power source voltage (Flash memory version)
[In frequency/2 mode]
f(XIN)
≤ 12.5 MHz.............................................. 4.5 to 5.5 V
f(XIN)
≤ 8 MHz................................................... 4.0 to 5.5 V
f(XIN)
≤ 4 MHz................................................... 2.7 to 5.5 V
[In frequency/4 mode]
f(XIN)
≤ 16 MHz................................................. 4.5 to 5.5 V
f(XIN)
≤ 8 MHz................................................... 2.7 to 5.5 V
[In frequency/8 mode]
f(XIN)
≤ 16 MHz................................................. 4.5 to 5.5 V
f(XIN)
≤ 8 MHz................................................... 2.7 to 5.5 V
[In low-speed mode].............................................. 2.7 to 5.5 V
Note. 12.5 MHz < f(XIN)
16 MHz is not available in the fre-
quency/2 mode.
• Power dissipation (QzROM version)
• In frequency/2 mode ..................................... Typ. 32 mW
(VCC = 5 V, f(XIN) = 12.5 MHz, Ta = 25
°C)
• In low-speed mode ........................................ Typ. 18
μW
(VCC = 2.5 V, f(XIN) = stop, f(XCIN) = 32 kHz, Ta = 25
°C)
• Power dissipation (Flash memory version)
• In frequency/2 mode ..................................... Typ. 20 mW
(VCC = 5 V, f(XIN) = 12.5 MHz, Ta = 25
°C)
• In low-speed mode ...................................... Typ. 1.1 mW
(VCC = 2.7 V, f(XIN) = stop, f(XCIN) = 32 kHz, Ta = 25
°C)
• Operating temperature range ...............................
−20 to 85°C
Flash Memory Mode
• Program/Erase voltage ............................. VCC = 2.7 to 5.5 V
• Program method ....................... Programming in unit of byte
• Erase method .................................................... Block erasing
• Program/Erase control by software command
APPLICATION
Household products, Consumer electronics, etc.
38D2 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
REJ03B0177-0302
Rev.3.02
Apr 10, 2008


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