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Renesas Electronics Components Datasheet

M3826 Datasheet

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

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3826 Group (One Time PROM version)
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
REJ03B0181-0100
Rev.1.00
Sep 06, 2006
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.
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FEATURES
Basic machine-language instructions ....................................... 71
The minimum instruction execution time ............................ 0.5 µs
Memory size
(at 8MHz oscillation frequency)
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.
Rev.1.00 Sep 06, 2006 page 1 of 88
REJ03B0181-0100


Renesas Electronics Components Datasheet

M3826 Datasheet

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

No Preview Available !

3826 Group (One Time PROM version)
PIN CONFIGURATION (TOP VIEW)
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SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
VCC
VREF
AVSS
COM3
COM2
COM1
COM0
VL3
VL2
C2
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
81
82
83
84
85
86
87
88
89
90 M3826AEFFP
91
92
93
94
95
96
97
98
99
100
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
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 26 27 28 29 30
P16
P17
P20
P21
P22
P23
P24
P25
P26
P27
VSS
XOUT
XIN
XCOUT
XCIN
RESET
P70/INT0
P71
P72
P73
Package type : PRQP0100JB-A (100P6S-A)
Fig. 1 Pin configuration (Package type: PRQP0100JB-A)
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
VCC
VREF
AVSS
COM3
COM2
COM1
COM0
VL3
VL2
C2
C1
VL1
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
76
77
78
79
80
81
82
83
84
85
86
87
88 M3826AEFGP
89
90
91
92
93
94
95
96
97
98
99
100
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
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
P14/SEG38
P15/SEG39
P16
P17
P20
P21
P22
P23
P24
P25
P26
P27
VSS
XOU
TXIN
XCOUT
XCIN
RESET
P70/INT0
P71
P72
P73
P74
P75
P76
Package type : PLQP0100KB-A (100P6Q-A)
Fig. 2 Pin configuration (Package type: PLQP0100KB-A)
Rev.1.00 Sep 06, 2006 page 2 of 88
REJ03B0181-0100


Part Number M3826
Description SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Maker Renesas Technology
Total Page 30 Pages
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