M3882 Datasheet, PDF (1/62 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

3882 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
REJ03B0089-0101
Rev.1.01
Nov 14, 2005
GENERAL DESCRIPTION
The 3882 group is the 8-bit microcomputer based on the 740 fam-
ily core technology.
The 3882 group is designed for Keyboard Controller for the note
book PC.
FEATURES
<Microcomputer mode>
qBasic machine-language instructions ...................................... 71
qMinimum instruction execution time .................................. 0.5 µs
(at 8 MHz oscillation frequency)
qMemory size
ROM ............................................................................. 20K bytes
RAM ............................................................................ 1024 bytes
qProgrammable input/output ports ............................................ 72
qSoftware pull-up transistors ....................................................... 8
qInterrupts ................................................. 17 sources, 14 vectors
qTimers ............................................................................. 8-bit ✕ 4
qWatchdog timer ............................................................ 16-bit ✕ 1
qLPC interface .............................................................. 2 channels
qSerialized IRQ ................................................................ 3 factors
qClock generating circuit ..................................... Built-in 1 circuits
(connect to external ceramic resonator)
qPower source voltage ................................................ 3.0 to 3.6 V
qPower dissipation
In high-speed mode .......................................................... 20 mW
(at 8 MHz oscillation frequency, at 3.3 V power source voltage)
qOperating temperature range .................................... –20 to 85°C
APPLICATION
Note book PC
PIN CONFIGURATION (TOP VIEW)
P31
P30
P87/SERIRQ
P86/LCLK
P85/LRESET
P84/LFRAME
P83/LAD3
P82/LAD2
P81/LAD1
P80/LAD0
VCC
NC
NC
P67
P66
P65
P64
P63
P62
P61
61
40
62
39
63
38
64
37
65
36
66
35
67
34
68
33
69
70
M38827G5-XXXHP
32
31
71
72
M38827G5HP
30
29
73
28
74
27
75
26
76
25
77
24
78
23
79
22
80
21
P16
P17
P20
P21
P22
P23
P24(LED0)
P25(LED1)
P26(LED2)
P27(LED3)
VSS
XOUT
XIN
P40
P41
RESET
CNVSS
P42/INT0
P43/INT1
P44
Fig. 1 Pin configuration
Package type : PLQP0080KB-A (80P6Q-A)
Rev.1.01 Nov 14, 2005 page 1 of 60
REJ03B0089-0101