DESCRIPTION
The 3803 group (Spec. H) is the 8-bit microcomputer based on the
740 family core technology.
The 3803 group (Spec. H) is designed for household products, of-
fice automation equipment, and controlling systems that require
analog signal processing, including the A-D converter and D-A
converters.
FEATURES
q
Basic machine-language instructions ...................................... 71
q
Minimum instruction execution time ................................ 0.24
s
(at 16.8 MHz oscillation frequency)
q
Memory size
ROM ............................................................... 16 K to 32 K bytes
RAM ................................................................. 640 to 1024 bytes
q
Programmable input/output ports ............................................ 56
q
Software pull-up resistors ................................................. Built-in
q
Interrupts
21 sources, 16 vectors .................................................................
(external 8, internal 12, software 1)
q
Timers ........................................................................... 16-bit
1
8-bit
4
(with 8-bit prescaler)
q
Watchdog timer ............................................................ 16-bit
1
q
Serial I/O ...................... 8-bit
2 (UART or Clock-synchronized)
8-bit
1 (Clock-synchronized)
q
PWM ............................................ 8-bit
1 (with 8-bit prescaler)
q
A-D converter ............................................. 10-bit
16 channels
(8-bit reading enabled)
q
D-A converter ................................................. 8-bit
2 channels
q
LED direct drive port .................................................................. 8
q
Clock generating circuit ..................................... Built-in 2 circuits
(connect to external ceramic resonator or quartz-crystal oscillator)
q
Power source voltage
In high-speed mode
At 16.8 MHz oscillation frequency ............................ 4.5 to 5.5 V
At 12.5 MHz oscillation frequency ............................ 4.0 to 5.5 V
At 8.4 MHz oscillation frequency) ............................. 2.7 to 5.5 V
At 4.2 MHz oscillation frequency .............................. 2.2 to 5.5 V
At 2.1 MHz oscillation frequency) ............................. 2.0 to 5.5 V
In middle-speed mode
At 16.8 MHz oscillation frequency ............................ 4.5 to 5.5 V
At 12.5 MHz oscillation frequency ............................ 2.7 to 5.5 V
At 8.4 MHz oscillation frequency) ............................. 2.2 to 5.5 V
At 6.3 MHz oscillation frequency) ............................. 1.8 to 5.5 V
In low-speed mode
At 32 kHz oscillation frequency ................................. 1.8 to 5.5 V
q
Power dissipation
In high-speed mode ................................................ 40 mW (typ.)
(at 16.8 MHz oscillation frequency, at 5 V power source voltage)
In low-speed mode ................................................... 45
W (typ.)
(at 32 kHz oscillation frequency, at 3 V power source voltage)
q
Operating temperature range .................................... 20 to 85
C
q
Packages
SP .................................................. 64P4B (64-pin 750 mil SDIP)
FP ....................................... 64P6N-A (64-pin 14
14 mm QFP)
HP ..................................... 64P6Q-A (64-pin 10
10 mm LQFP)
KP ..................................... 64P6U-A (64-pin 14
14 mm LQFP)
Currently support products are listed below.
RAM size (bytes)
Remarks
Package
Table 1 Support products
Product name
32768
(32638)
ROM size (bytes)
ROM size for User in ( )
M38034M4H-XXXSP
M38034M4H-XXXFP
M38034M4H-XXXHP
M38034M4H-XXXKP
M38037M6H-XXXSP
M38037M6H-XXXFP
M38037M6H-XXXHP
M38037M6H-XXXKP
M38037M8H-XXXSP
M38037M8H-XXXFP
M38037M8H-XXXHP
M38037M8H-XXXKP
1024
64P4B
64P6N-A
64P6Q-A
64P6U-A
64P4B
64P6N-A
64P6Q-A
64P6U-A
64P4B
64P6N-A
64P6Q-A
64P6U-A
Mask ROM version
16384
(16254)
640
Mask ROM version
24576
(24446)
1024
Mask ROM version
Rev.2.00 2003.05.28 page 1 of 81
3803 Group (Spec.H)
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
REJ03B0017-0200Z
Rev.2.00
2003.05.28
Rev.2.00 2003.05.28 page 5 of 81
3803 Group (Spec.H)
PIN DESCRIPTION
Functions
Name
Pin
Apply voltage of 1.8 V 5.5 V to Vcc, and 0 V to Vss.
This pin controls the operation mode of the chip.
Normally connected to V
SS
.
Reference voltage input pin for A-D and D-A converters.
Analog power source input pin for A-D and D-A converters.
Connect to V
SS
.
Reset input pin for active "L".
Input and output pins for the clock generating circuit.
Connect a ceramic resonator or quartz-crystal oscillator between the X
IN
and X
OUT
pins to set
the oscillation frequency.
When an external clock is used, connect the clock source to the X
IN
pin and leave the X
OUT
pin open.
8-bit CMOS I/O port.
I/O direction register allows each pin to be individually
programmed as either input or output.
CMOS compatible input level.
CMOS 3-state output structure.
Pull-up control is enabled in a bit unit.
P2
0
P2
7
are enabled to output large current for LED drive.
8-bit CMOS I/O port.
I/O direction register allows each pin to be individually
programmed as either input or output.
P3
0
, P3
1
, P3
4
P3
7
are CMOS 3-state output structure.
P3
2
, P3
3
are N-channel open-drain output structure.
Pull-up control of P3
0
, P3
1
, P3
4
P3
7
is enabled in a bit
unit.
8-bit CMOS I/O port.
I/O direction register allows each pin to be individually
programmed as either input or output.
CMOS compatible input level.
CMOS 3-state output structure.
Pull-up control is enabled in a bit unit.
Power source
CNV
SS
input
Reference voltage
Analog power source
Reset input
Table 4 Pin description
Function except a port function
A-D converter input pin
Interrupt input pin
D-A converter input pin
Serial I/O3 function pin
I/O port P4
Interrupt input pin
Sub-clock generating I/O pin
(resonator connected)
Interrupt input pin
V
CC
, V
SS
CNV
SS
V
REF
AV
SS
RESET
X
IN
Clock input
Clock output
X
OUT
P0
0
/AN
8
P0
7
/AN
15
I/O port P0
P1
0
/INT
01
P1
1
/INT
41
I/O port P1
P1
2
P1
7
P2
0
P2
7
I/O port P2
P3
0
/DA
1
P3
1
/DA
2
I/O port P3
P3
2
, P3
3
P3
4
/RxD
3
P3
5
/TxD
3
P3
6
/S
CLK3
P3
7
/S
RDY3
P4
0
/INT
40
/
X
COUT
P4
1
/INT
00
/
X
CIN
P4
2
/INT
1
P4
3
/INT
2
8-bit CMOS I/O port.
I/O direction register allows each pin to be individually
programmed as either input or output.
CMOS compatible input level.
CMOS 3-state output structure.
Pull-up control is enabled in a bit unit.
Serial I/O1 function pin
Serial I/O1, timer Z function pin
I/O port P5
I/O port P6
Serial I/O2 function pin
Timer X function pin
Timer Y function pin
PWM output pin
Interrupt input pin
A-D converter input pin
P4
4
/RxD
1
P4
5
/TxD
1
P4
6
/S
CLK1
P4
7
/S
RDY1
/CNTR
2
P5
0
/S
IN2
P5
1
/S
OUT2
P5
2
/S
CLK2
P5
3
/S
RDY2
P5
4
/CNTR
0
P5
5
/CNTR
1
P5
6
/PWM
P5
7
/INT
3
P6
0
/AN
0
P6
7
/AN
7