M3806 Datasheet PDF - Renesas Technology
| Part Number | M3806 | |
| Description | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER | |
| Manufacturers | Renesas Technology | |
| Logo |  |
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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.
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Renesas Technology Corp.
Customer Support Dept.
April 1, 2003
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PIN DESCRIPTION
MITSUBISHI MICROCOMPUTERS
3806 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Pin
VCC
VSS
Name
Power source
Function
Function except a port function
• Apply voltage of 3.0 V to 5.5 V to VCC, and 0 V to VSS.
(Extended operating temperature version : 4.0 V to 5.5 V)
(High-speed version : 2.7 V to 5.5 V)
CNVSS
CNVSS
• This pin controls the operation mode of the chip.
• Normally connected to VSS.
• If this pin is connected to VCC, the internal ROM is inhibited and external memory is accessed.
VREF
Analog reference • Reference voltage input pin for A-D and D-A converters
voltage
AVSS
______
RESET
Analog power
source
Reset input
• GND input pin for A-D and D-A converters
• Connect to VSS.
• Reset input pin for active “L”
XIN
XOUT
Clock input
Clock output
• Input and output signals for the internal clock generating circuit.
• Connect a ceramic resonator or quartz-crystal oscillator between the XIN and XOUT pins to set the
oscillation frequency.
• If an external clock is used, connect the clock source to the XIN pin and leave the XOUT pin open.
• The clock is used as the oscillating source of system clock.
P00 – P07
P10 – P17
P20 – P27
P30 – P37
I/O port P0
I/O port P1
I/O port P2
I/O port P3
• 8 bit CMOS I/O port
• I/O direction register allows each pin to be individually programmed as either input or output.
• At reset this port is set to input mode.
• In modes other than single-chip, these pins are used as address, data, and control bus I/O pins.
• CMOS compatible input level
• CMOS 3-state output structure
P40, P41
P42/INT0,
P43/INT1
I/O port P4
• 8-bit CMOS I/O port with the same function as port P0
• CMOS compatible input level
• CMOS 3-state output structure
• External interrupt input pin
P44/RXD,
P45/TXD,
P46/S__C_L_K_1,
P47/SRDY1
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• Serial I/O1 I/O pins
P50
P51/INT2 –
P53/INT4
I/O port P5
• 8-bit CMOS I/O port with the same function as port P0
• CMOS compatible input level
• CMOS 3-state output structure
• External interrupt input pin
P54/CNTR0,
P55/CNTR1
• Timer X and Timer Y I/O pins
P56/DA1,
P57/DA2
• D-A conversion output pins
P60/AN0 –
P67/AN7
I/O port P6
• 8-bit CMOS I/O port with the same function as
port P0
• CMOS compatible input level
• CMOS 3-state output structure
• A-D conversion input pins
4
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| Information | Total 58 Pages | |
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