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38K2 Datasheet

  • 38K2

  • Microcontrollers

  • 159頁

  • ETC

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MITSUBISHI MICROCOMPUTERS
38K2 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
DESCRIPTION
The 38K2 group is the 8-bit microcomputer based on the 740 fam-
ily core technology.
The 38K2 group has the USB function, an 8-bit bus interface, a
Serial I/O, three 8-bit timers, and an 8-channel 10-bit A-D con-
verter, which are available for the PC peripheral I/O device.
The various microcomputers in the 38K2 group include variations
of internal memory size and packaging. For details, refer to the
section on part numbering.
鈥?/div>
LED direct drive port ................................................................... 4
鈥?/div>
Clock generating circuit
鈥?/div>
(connect to external ceramic resonator or quartz-crystal oscillator)
Power source voltage (Standard)
System clock/Internal clock division mode
At 8 MHz/Through mode (蠁 = 8 MHz) ................... 4.00 to 5.25 V
At 6 MHz/Through mode (蠁 = 6 MHz) ................... 4.00 to 5.25 V
Power source voltage (L version)
System clock/Internal clock division mode
At 12 MHz/Through mode (蠁 = 12 MHz) (under planning) ..........
................... 4.50 to 5.25 V
At 12 MHz/2-divide mode(蠁 = 6 MHz) ................... 4.00 to 5.25 V
At 8 MHz/Through mode (蠁 = 8 MHz) ................... 4.00 to 5.25 V
At 6 MHz/Through mode (蠁 = 6 MHz) ................... 3.00 to 5.25 V
鈥?/div>
FEATURES
鈥?/div>
Basic machine-language instructions ....................................... 71
鈥?/div>
The minimum instruction execution time .......................... 0.25 碌s
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
(at 8 MHz system clock
鉁?/div>
)
System clock
鉁?/div>
: Reference frequency to internal circuit except
USB function
Memory size
ROM ................................................................ 16 K to 32 K bytes
RAM ............................................................... 1024 to 2048 bytes
Programmable input/output ports ............................................. 44
Software pull-up resistors
Interrupts .................................................. 16 sources, 16 vectors
USB function (Full-Speed USB2.0 specification) ...... 4 endpoints
USB HUB function (Full-Speed USB2.0 specification) .... 2 down ports
External bus interface ....................................... 8-bit
鉁?/div>
1 channel
Timers ............................................................................. 8-bit
鉁?/div>
3
Watchdog timer ............................................................. 16-bit
鉁?/div>
1
Serial I/O ...................... 8-bit
鉁?/div>
1 (UART or Clock-synchronized)
A-D converter ................................................ 10-bit
鉁?/div>
8 channels
(8-bit reading available)
鈥?/div>
Power dissipation
At 5 V power source voltage .................................. 125 mW (typ.)
(at 8 MHz system clock, in through mode)
At 3.3 V power source voltage ................................ 30 mW (typ.)
(at 6 MHz system clock, in through mode)
Operating temperature range .................................... 鈥?0 to 85擄C
Packages
FP ........................................ 64P6U-A (64-pin 14
鉁?/div>
14 mm LQFP)
HP ........................................ 64P6Q-A (64-pin 10
鉁?/div>
10 mm LQFP)
鈥?/div>
鈥?/div>
sNotes
The specifications of this product are subject to change because it
is under development. Inquire the use of Mitsubishi Electric Cor-
poration.
PIN CONFIGURATION (TOP VIEW)
47
46
45
44
43
35
34
48
41
42
P0
6
P0
7
P4
0
/E
X
DREQ/R
X
D
P4
1
/E
X
DACK/T
X
D
P4
2
/E
X
TC/S
CLK
P4
3
/E
X
A1/S
RDY
P3
0
P3
1
P3
2
P3
3
/E
X
INT
P3
4
/E
X
CS
P3
5
/E
X
WR
P3
6
/E
X
RD
P3
7
/E
X
A0
P1
0
/DQ
0
/AN
0
P1
1
/DQ
1
/AN
1
40
39
38
37
36
33
P0
5
P0
4
P0
3
P0
2
P0
1
P0
0
P5
7
P5
6
P5
5
P5
4
P5
3
P5
2
/INT
1
P5
1
/CNTR
0
P5
0
/INT
0
P2
7
P2
6
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
10
11
12
13
14
15
16
2
3
4
5
6
7
8
1
9
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
M38K27M4-XXXFP/HP
M38K29F8FP/HP
M38K27M4L-XXXFP/HP
M38K29F8LFP/HP
P2
5
P2
4
D2+
D2-
D1+
D1-
D0-
D0+
TrON
USBV
REF
DV
CC
PV
CC
PV
SS
P6
3
(LED
3
)
P6
2
(LED
2
)
P6
1
(LED
1
)
P1
2
/DQ
2
/AN
2
P1
3
/DQ
3
/AN
3
P1
4
/DQ
4
/AN
4
P1
5
/DQ
5
/AN
5
P1
6
/DQ
6
/AN
6
P1
7
/DQ
7
/AN
7
CNV
SS
RESET
V
CC
E
V
REF
V
SS
X
IN
Package type : 64P6U-A/64P6Q-A
Fig. 1 Pin configuration of 38K2 group
P6
0
(LED
0
)
V
CC
CNV
SS
2
X
OUT
1

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