m3819 Renesas Electronics Corporation., m3819 Datasheet - Page 16

• Manufacturer Part Number: m3819
• Description: Mitsubishi 8-bit Single-chip Microcomputer 740 Family / 38000 Series
• Manufacturer: Renesas Electronics Corporation.

DESCRIPTION
The 3819 group is a 8-bit microcomputer based on the 740 family
core technology.
The 3819 group has a flourescent display automatic display circuit
and an 16-channel 8-bit A-D converter as additional functions.
The various microcomputers in the 3819 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 3819 group, re-
fer to the section on group expansion.
FEATURES
2
PIN CONFIGURATION (TOP VIEW)
Basic machine-language instructions ...................................... 71
The minimum instruction execution time ......................... 0.48 s
(at 8.4 MHz oscillation frequency)
Memory size .................................................................................
Programmable input/output ports ............................................ 54
High-breakdown-voltage output ports ...................................... 52
Interrupts ................................................. 20 sources, 16 vectors
Timers ............................................................................. 8-bit
Serial I/O (Serial I/O1 has an automatic transfer function)
PWM output circuit ............... 8-bit
A-D converter ............................................... 8-bit
...................................................... 8-bit
ROM ............................................. 4K to 60 K bytes
RAM ........................................... 192 to 2048 bytes
P8
P8
P8
P8
P8
P8
PA
PA
PA
PA
PA
PA
PA
PA
P8
P8
7
6
5
4
3
2
/SEG
/SEG
/SEG
/SEG
/SEG
/SEG
1
0
7
6
5
4
3
2
1
0
/SEG
/SEG
/SEG
/SEG
/SEG
/SEG
/SEG
/SEG
/SEG
/SEG
AV
V
V
V
REF
CC
EE
SS
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
100
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
1(also functions as timer 6)
3(clock-synchronized)
100-pin plastic-molded QFP
Package type : 100P6S-A
16 channels
M38197MA-XXXFP
6
APPLICATION
Musical Instruments, household appliance, etc.
2 Clock generating circuit
Power source voltage
Power dissipation
Operating temperature range .................................... –10 to 85°C
D-A converter ................................................. 8-bit
Zero cross detection input ............................................ 1 channel
Fluorescent display function
Segments ........................................................................ 16 to 42
Digits .................................................................................. 6 to 16
Clock (X
Sub-clock (X
In high-speed mode .................................................. 4.0 to 5.5 V
In middle-speed mode ............................................... 2.8 to 5.5 V
In low-speed mode .................................................... 2.8 to 5.5 V
In high-speed mode .......................................................... 35 mW
In low-speed mode ............................................................ 60 W
(connect to external ceramic resonator or quartz-crystal oscil-
lator)
(at 8.4 MHz oscillation frequency and high-speed selected)
(at 8.4 MHz oscillation frequency)
(at 32 kHz oscillation frequency)
(at 8.4 MHz oscillation frequency)
(at 3 V power source voltage and 32 kHz oscillation frequency )
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
IN
-X
OUT
CIN
-X
MITSUBISHI MICROCOMPUTERS
) ................................. Internal feedback resistor
COUT
) ......... Without internal feedback resistor
3819 Group
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
P1
P1
P2
P2
P2
P2
P2
P2
P2
P2
V
X
X
PB
PB
RESET
P4
P4
P4
P4
SS
OUT
IN
6
7
0
1
2
3
4
5
6
7
0
1
2
3
1
0
/DIG
/DIG
/DIG
/DIG
/DIG
/DIG
/INT
/INT
/INT
/X
/X
COUT
CIN
0
2
3
14
15
16
17
18
19
1 channels