To all our customers
Regarding the change of names mentioned in the document, such as Mitsubishi
Electric and Mitsubishi XX, to Renesas Technology Corp.
The semiconductor operations of Hitachi and Mitsubishi Electric were transferred to Renesas
Technology Corporation on April 1st 2003. These operations include microcomputer, logic, analog
and discrete devices, and memory chips other than DRAMs (flash memory, SRAMs etc.)
Accordingly, although Mitsubishi Electric, Mitsubishi Electric Corporation, Mitsubishi
Semiconductors, and other Mitsubishi brand names are mentioned in the document, these names
have in fact all been changed to Renesas Technology Corp. Thank you for your understanding.
Except for our corporate trademark, logo and corporate statement, no changes whatsoever have been
made to the contents of the document, and these changes do not constitute any alteration to the
contents of the document itself.
Note : Mitsubishi Electric will continue the business operations of high frequency & optical devices
and power devices.
Renesas Technology Corp.
Customer Support Dept.
April 1, 2003
MITSUBISHI MICROCOMPUTERS
3825 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
DESCRIPTION
The 3825 group is the 8-bit microcomputer based on the 740 fam-
ily core technology.
The 3825 group has the LCD drive control circuit, an 8-channel A-
D converter, and a Serial I/O as additional functions.
The various microcomputers in the 3825 group include variations
of internal memory size and packaging. For details, refer to the
section on part numbering.
For details on availability of microcomputers in the 3825 Group,
refer the section on group expansion.
•
Serial I/O ...................... 8-bit
✕
1 (UART or Clock-synchronized)
•
A-D converter .................................................. 8-bit
✕
8 channels
•
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)
Power source voltage
In high-speed mode ................................................... 4.0 to 5.5 V
In middle-speed mode ............................................... 2.5 to 5.5 V
(M version: 2.2 to 5.5 V)
(Extended operating temperature version: 3.0 to 5.5 V)
In low-speed mode ..................................................... 2.5 to 5.5 V
(M version: 2.2 to 5.5 V)
(Extended operating temperature version: 3.0 to 5.5 V)
Power dissipation
In high-speed mode ........................................................... 32 mW
(at 8 MHz oscillation frequency, at 5 V power source voltage)
In low-speed mode .............................................................. 45 µW
(at 32 kHz oscillation frequency, at 3 V power source voltage)
Operating temperature range ................................... – 20 to 85°C
(Extended operating temperature version: –40 to 85°C)
•
•
FEATURES
•
Basic machine-language instructions ....................................... 71
•
The minimum instruction execution time ............................ 0.5 µs
(at 8 MHz oscillation frequency)
•
Memory size
•
•
•
•
ROM .................................................................. 4 K to 60 K bytes
RAM ................................................................. 192 to 2048 bytes
Programmable input/output ports ............................................. 43
Software pull-up/pull-down resistors (Ports P0–P8)
Interrupts .................................................. 17 sources, 16 vectors
(includes key input interrupt)
Timers ........................................................... 8-bit
✕
3, 16-bit
✕
2
•
•
APPLICATIONS
Camera, household appliances, consumer electronics, etc.
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
SEG
10
SEG
11
SEG
12
SEG
13
SEG
14
SEG
15
SEG
16
SEG
17
P3
0
/SEG
18
P3
1
/SEG
19
P3
2
/SEG
20
P3
3
/SEG
21
P3
4
/SEG
22
P3
5
/SEG
23
P3
6
/SEG
24
P3
7
/SEG
25
P0
0
/SEG
26
P0
1
/SEG
27
P0
2
/SEG
28
P0
3
/SEG
29
P0
4
/SEG
30
P0
5
/SEG
31
P0
6
/SEG
32
P0
7
/SEG
33
P1
0
/SEG
34
P1
1
/SEG
35
P1
2
/SEG
36
P1
3
/SEG
37
P1
4
/SEG
38
P1
5
/SEG
39
PIN CONFIGURATION (TOP VIEW)
SEG
9
SEG
8
SEG
7
SEG
6
SEG
5
SEG
4
SEG
3
SEG
2
SEG
1
SEG
0
V
CC
V
REF
AV
SS
COM
3
COM
2
COM
1
COM
0
V
L3
V
L2
C
2
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
1
M38258MCMXXXFP
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
P1
6
P1
7
P2
0
P2
1
P2
2
P2
3
P2
4
P2
5
P2
6
P2
7
V
SS
X
OUT
X
IN
P8
0
/X
COUT
P8
1
/X
CIN
RESET
P7
0
P7
1
P7
2
P7
3
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Package type : 100P6S-A (100-pin plastic-molded QFP)
Fig. 1 Pin configuration of M38258MCMXXXFP
(The pin configuration of 100D0 is same as this.)
C
1
V
L1
P6
7
/AN
7
P6
6
/AN
6
P6
5
/AN
5
P6
4
/AN
4
P6
3
/AN
3
P6
2
/AN
2
P6
1
/AN
1
P6
0
/AN
0
P5
7
/ADT
P5
6
/T
OUT
P5
5
/CNTR
1
P5
4
/CNTR
0
P5
3
/RTP
1
P5
2
/RTP
0
P5
1
/INT
3
P5
0
/INT
2
P4
7
/S
RDY
P4
6
/S
CLK
P4
5
/T
X
D
P4
4
/R
X
D
P4
3
/INT
1
P4
2
/INT
0
P4
1
/
f(X
IN
)/5 / f(X
IN
)/10
P4
0
/f(X
IN
)
/
f(X
IN
)/2
P7
7
P7
6
P7
5
P7
4
MITSUBISHI MICROCOMPUTERS
3825 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PIN CONFIGURATION (TOP VIEW)
SEG
13
SEG
14
SEG
15
SEG
16
SEG
17
P3
0
/SEG
18
P3
1
/SEG
19
P3
2
/SEG
20
P3
3
/SEG
21
P3
4
/SEG
22
P3
5
/SEG
23
P3
6
/SEG
24
P3
7
/SEG
25
P0
0
/SEG
26
P0
1
/SEG
27
P0
2
/SEG
28
P0
3
/SEG
29
P0
4
/SEG
30
P0
5
/SEG
31
P0
6
/SEG
32
P0
7
/SEG
33
P1
0
/SEG
34
P1
1
/SEG
35
P1
2
/SEG
36
P1
3
/SEG
37
75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
SEG
12
SEG
11
SEG
10
SEG
9
SEG
8
SEG
7
SEG
6
SEG
5
SEG
4
SEG
3
SEG
2
SEG
1
SEG
0
V
CC
V
REF
AV
SS
COM
3
COM
2
COM
1
COM
0
V
L3
V
L2
C
2
C
1
V
L1
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
50
49
48
47
46
45
44
43
42
41
M38258MCMXXXGP
M38258MCMXXXHP
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
P1
4
/SEG
38
P1
5
/SEG
39
P1
6
P1
7
P2
0
P2
1
P2
2
P2
3
P2
4
P2
5
P2
6
P2
7
V
SS
X
OUT
X
IN
P8
0
/X
COUT
P8
1
/X
CIN
RESET
P7
0
P7
1
P7
2
P7
3
P7
4
P7
5
P7
6
Package type : GP ........................... 100P6Q-A (100-pin plastic-molded LQFP)
Package type : HP ........................... 100PFB-A (100-pin plastic-molded TQFP)
Fig. 2 Pin configuration of M38258MCMXXXGP, M38258MCMXXXHP
2
P6
7
/AN
7
P6
6
/AN
6
P6
5
/AN
5
P6
4
/AN
4
P6
3
/AN
3
P6
2
/AN
2
P6
1
/AN
1
P6
0
/AN
0
P5
7
/ADT
P5
6
/T
OUT
P5
5
/CNTR
1
P5
4
/CNTR
0
P5
3
/RTP
1
P5
2
/RTP
0
P5
1
/INT
3
P5
0
/INT
2
P4
7
/S
RDY
P4
6
/S
CLK
P4
5
/T
X
D
P4
4
/R
X
D
P4
3
/INT
1
P4
2
/INT
0
P4
1
/
f(X
IN
)/5 / f(X
IN
)/10
P4
0
/ f(X
IN
)
/
f(X
IN
)/2
P7
7
FUNCTIONAL BLOCK DIAGRAM (Package : 100P6S-A)
Clock
input
X
IN
Reset input
RESET
35
91
40
Clock
output
X
OUT
(5 V)
V
CC
(0 V)
V
SS
38
39
X
CIN
ADT
INT
2
,
INT
3
36 37
11 12 13 14 15 16 17 18
27 28 29 30 31 32 33 34
3 4 5 6 7 8 9 10
92 93
19 20 21 22 23 24 25 26
INT
0
, INT
1
P8 (2)
P7 (8)
P6 (8)
P5 (8)
P4 (8)
Real time port function
X
COUT
CNT R
0
, CNTR
1
RTP
0
, RTP
1
P3 (8)
P2 (8)
Key-on wake up
Fig. 3 Functional block diagram
Data bus
CPU
A
ROM
X
Y
S
PC
H
PS
Timer X (16)
Timer Y (16)
Timer 1 (8) Timer 2 (8)
Timer 3 (8)
P C
L
LCD display
RAM
(20 bytes)
2
1
Clock generating
circuit
RAM
100
99
98
V
L1
C
1
C
2
V
L2
V
L3
97
96
95
94
X
CIN
Sub-
clock
input
X
COUT
Sub-
clock
output
φ
LCD
drive control
circuit
COM
0
COM
1
COM
2
COM
3
90
89
88
87
86
85
84
83
82
81
80
A-D converter (8)
SI/O (8)
T
OUT
79
78
77
76
75
74
73
SEG
0
SEG
1
SEG
2
SEG
3
SEG
4
SEG
5
SEG
6
SEG
7
SEG
8
SEG
9
SEG
10
SEG
11
SEG
12
SEG
13
SEG
14
SEG
15
SEG
16
SEG
17
P1 (8)
P0 (8)
65 66 67 68 69 70 71 72
41 42 43 44 45 46 47 48
49 50 51 52 53 54 55 56
57 58 59 60 61 62 63 64
I/O port P8
I/O port P7
I/O port P6
V
REF
AV
SS
(0 V)
I/O port P5
I/O port P4
Output port P3
I/O port P2
Output port P1
Output port P0
MITSUBISHI MICROCOMPUTERS
3825 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
3
MITSUBISHI MICROCOMPUTERS
3825 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PIN DESCRIPTION
Table 1. Pin description (1)
Pin
V
CC
, V
SS
V
REF
Name
Power source
Analog reference
voltage
Analog power
source
Reset input
Clock input
Function
Function except a port function
•Apply voltage of power source to V
CC
, and 0 V to V
SS
. (For the limits of V
CC,
refer to “Recom-
mended operating conditions”.)
• Reference voltage input pin for A-D converter.
• GND input pin for A-D converter.
• Connect to V
SS
.
• Reset input pin for active “L”
• Input and output pins for the main clock generating circuit.
• Feedback resistor is built in between X
IN
pin and X
OUT
pin.
• Connect a ceramic resonator or a quartz-crystal oscillator between the X
IN
and X
OUT
pins to set
the oscillation frequency.
• If an external clock is used, connect the clock source to the X
IN
pin and leave the X
OUT
pin open.
• This clock is used as the oscillating source of system clock.
• Input 0
≤
V
L1
≤
V
L2
≤
V
L3
≤
V
CC
voltage
• Input 0 – V
L3
voltage to LCD
• External capacitor pins for a voltage multiplier (3 times) of LCD contorl.
• LCD common output pins
• COM
2
and COM
3
are not used at 1/2 duty ratio.
• COM
3
is not used at 1/3 duty ratio.
• LCD segment output pins
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
8-bit output port
CMOS 3-state output structure
Pull-down control is enabled.
Port output control is enabled.
6-bit output port
CMOS 3-state output structure
Pull-down control is enabled.
Port output control is enabled.
2-bit I/O port
CMOS compatible input level
CMOS 3-state output structure
I/O direction register allows each pin to be individually programmed as either input or output.
Pull-up control is enabled.
• Key input (key-on wake up) interrupt
input pins
• LCD segment pins
AV
SS
RESET
X
IN
X
OUT
Clock output
V
L1
– V
L3
C
1
, C
2
LCD power source
Charge-pump
capacitor pin
Common output
COM
0
– COM
3
SEG
0
– SEG
17
P0
0
/SEG
26
–
P0
7
/SEG
33
Segment output
Output port P0
P1
0
/SEG
34
–
P1
5
/SEG
39
Output port P1
P1
6
, P1
7
I/O port P1
P2
0
– P2
7
I/O port P2
8-bit Input port
CMOS compatible input level
CMOS 3-state output structure
I/O direction register allows each pin to be individually
programmed as either input or output.
• Pull-up control is enabled.
•
•
•
•
8-bit output port
CMOS 3-state output structure
Pull-down control is enabled.
Port output control is enabled.
P3
0
/SEG
18
–
P3
7
/SEG
25
Output port P3
• LCD segment pins
4
