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| 型號(hào)： | 38D5 |
| 廠商： | Renesas Technology Corp. |
| 英文描述： | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| 中文描述： | 單芯片8位CMOS微機(jī) |
| 文件頁(yè)數(shù)： | 1/141頁(yè) |
| 文件大小： | 2027K |
| 代理商： | 38D5 |
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Rev.3.01
REJ03B0158-0301
Aug 08, 2007
Page 1 of 134
DESCRIPTION
The 38D5 Group is the 8-bit microcomputer based on the 740
Family core technology.
The 38D5 Group is pin-compatible with the 38C5 Group.
The 38D5 Group has an LCD drive control circuit, an A/D
converter, a serial interface, and a ROM correction function 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
μ
s
(at 12.5 MHz oscillation frequency)
Memory size (QzROM version)
ROM ........................................................ 32 K to 60 K bytes
RAM .........................................................1536 to 2048 bytes
Memory size (Flash memory version)
ROM ...................................................................... 60 K bytes
RAM ......................................................................2048 bytes
Programmable input/output ports .. 59 (common to SEG: 36)
Interrupts ............................................. 17 sources, 16 vectors
(Key input interrupt included)
Timers ..................................................... 8-bit × 4, 16-bit × 2
Serial interface
Serial I/O1...............8-bit × 1 (UART or Clock-synchronized)
Serial I/O2 .............................. 8-bit × 1 (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 ............................................................ 6
(average current: 15 mA, peak current: 30 mA, total current: 90 mA)
LCD drive control circuit
Bias ............................................................................ 1/2, 1/3
Duty ............................................................... Static, 2, 3, 4, 8
Common output ................................................................. 4/8
Segment output .............................................................. 32/36
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(X
IN
)
≤
12.5 MHz.............................................. 4.5 to 5.5 V
f(X
IN
)
≤
8 MHz................................................... 4.0 to 5.5 V
f(X
IN
)
≤
4 MHz................................................... 2.0 to 5.5 V
f(X
IN
)
≤
2 MHz................................................... 1.8 to 5.5 V
[In frequency/4 mode]
f(X
IN
)
≤
16 MHz................................................. 4.5 to 5.5 V
f(X
IN
)
≤
8 MHz................................................... 2.0 to 5.5 V
f(X
IN
)
≤
4 MHz................................................... 1.8 to 5.5 V
[In frequency/8 mode]
f(X
IN
)
≤
16 MHz................................................. 4.5 to 5.5 V
f(X
IN
)
≤
8 MHz................................................... 2.0 to 5.5 V
f(X
IN
)
≤
4 MHz................................................... 1.8 to 5.5 V
[In low-speed mode]..............................................1.8 to 5.5 V
Note. 12.5 MHz < f(X
IN
)
≤
16 MHz is not available in the fre-
quency/2 mode.
Power source voltage (Flash memory version)
[In frequency/2 mode]
f(X
IN
)
≤
12.5 MHz.............................................. 4.5 to 5.5 V
f(X
IN
)
≤
8 MHz................................................... 4.0 to 5.5 V
f(X
IN
)
≤
4 MHz................................................... 2.7 to 5.5 V
[In frequency/4 mode]
f(X
IN
)
≤
16 MHz................................................. 4.5 to 5.5 V
f(X
IN
)
≤
8 MHz................................................... 2.7 to 5.5 V
[In frequency/8 mode]
f(X
IN
)
≤
16 MHz................................................. 4.5 to 5.5 V
f(X
IN
)
≤
8 MHz................................................... 2.7 to 5.5 V
[In low-speed mode]..............................................2.7 to 5.5 V
Note. 12.5 MHz < f(X
IN
)
≤
16 MHz is not available in the fre-
quency/2 mode.
Power dissipation (QzROM version)
In frequency/2 mode ..................................... Typ. 32 mW
(V
CC
= 5 V, f(X
IN
) = 12.5 MHz, Ta = 25
°
C)
In low-speed mode ........................................ Typ. 18
μ
W
(V
CC
= 2.5 V, f(X
IN
) = stop, f(X
CIN
) = 32 kHz, Ta = 25
°
C)
Power dissipation (Flash memory version)
In frequency/2 mode ..................................... Typ. 20 mW
(V
CC
= 5 V, f(X
IN
) = 12.5 MHz, Ta = 25
°
C)
In low-speed mode ...................................... Typ. 1.1 mW
(V
CC
= 2.7 V, f(X
IN
) = stop, f(X
CIN
) = 32 kHz, Ta = 25
°
C)
Operating temperature range...............................
20 to 85
°
C
Flash Memory Mode
Program/Erase voltage ............................. V
CC
= 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.
38D5 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
REJ03B0158-0301
Rev.3.01
Aug 08, 2007
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