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M34286 Datasheet(PDF) 4 Page - Renesas Technology Corp

Part # M34286
Description  SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

M34286 Datasheet(HTML) 4 Page - Renesas Technology Corp

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Rev.1.00
Aug 06, 2008
page 4 of 64
REJ03B0251-0100
4286 Group
PERFORMANCE OVERVIEW
Function
72
2.0 µs (f(XIN) = 4.0 MHz, system clock = f(XIN)/2, VDD = 3.0 V)
2048 words ✕ 9 bits
64 words ✕ 4 bits
Eight 1-bit I/O ports with the pull-down function and key-on wakeup function
3-bit I/O port with the pull-down function and key-on wakeup function
4-bit I/O port with the pull-down function and key-on wakeup function
1-bit output port; CMOS output
8-bit timer with a reload register
8-bit timer with two reload registers
4 levels (However, only 3 levels can be used when the TABP p instruction is executed)
CMOS silicon gate
20-pin plastic molded LSSOP (PLSP0020JB-A (20P2F-A))
–40 to 85 °C
1.8 V to 3.6 V
400 µA (VDD = 3 V, STCK=f(XIN)/8, f(XIN) = 4 MHz)
0.1 µA (Ta = 25 °C, VDD = 3 V)
Parameter
Number of basic instructions
Minimum instruction execution time
Memory sizes
Input/Output
ports
Timer
Subroutine nesting
Device structure
Package
Operating temperature range
Supply voltage
Power
dissipation
(typical value)
ROM
RAM
D0–D7
E0–E2
G0–G3
CARR
Timer 1
Timer 2
Active mode
RAM back-up mode
I/O
I/O
I/O
Output
PIN DESCRIPTION
Name
Power supply
Ground
System clock input
System clock output
I/O port D
I/O port E
I/O port G
Carrier wave output
for remote control
Input/Output
Input
Output
I/O
Output
Input
I/O
Output
Function
Connected to a plus power supply.
Connected to a 0 V power supply.
I/O pins of the system clock generating circuit. Connect a ceramic resonator
between pins XIN and XOUT. The feedback resistor is built-in between pins XIN
and XOUT.
1-bit I/O port. For input use, set the latch of the specified bit to “0.” When the built-
in pull-down transistor is turned on, the key-on wakeup function using “H” level
sense and the pull-down transistor become valid. The output structure is P-channel
open-drain.
2-bit (E0, E1) output port. The output structure is P-channel open-drain.
3-bit input port. For input use (E0, E1), set the latch of the specified bit to “0.”
When the built-in pull-down transistor is turned on, the key-on wakeup function
using “H” level sense and the pull-down transistor become valid. Port E2 has an
input-only port and has a key-on wakeup function using “H” level sense and pull-
down transistor.
4-bit I/O port. For input use, set the latch of the specified bit to “0.” The output structure
is P-channel open-drain. When the built-in pull-down transistor is turned on, the key-
on wakeup function using “H” level sense and pull-down transistor become valid.
Carrier wave output pin for remote control. The output structure is CMOS circuit.
Pin
VDD
VSS
XIN
XOUT
D0–D7
E0–E2
G0–G3
CARR


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