t6020m ATMEL Corporation, t6020m Datasheet

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t6020m

Manufacturer Part Number
t6020m
Description
Low-current Microcontroller For Watchdog Function
Manufacturer
ATMEL Corporation
Datasheet

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Low-Current Microcontroller for Watchdog Function
The T6020M is a member of Atmel Wireless &
Microcontrollers
microcontrollers. It contains ROM, RAM, parallel I/O
ports, one 8-bit programmable multifunction timer/
Features / Benefits
D Programmable system-clock with prescaler and five
D Very low sleep current (< 1 A)
D Very low power consumption in active, power-down
D 2-Kbyte ROM, 256 x 4-bit RAM
D 12 bidirectional I/Os
D Up to 6 external / internal interrupt sources
Block Diagram
Rev. A3, 02-Apr-01
different clock sources
and sleep mode
BP20/NTE
BP22
BP21
BP23
family
Brown-out protect.
Voltage monitor
External input
V SS
BP40
INT3
of
RESET
SC BP41
VMI
Data direction +
alternate function
V DD
VMI
T2I
Port 4
4-bit
BP42
T2O BP43
Figure 1. Block diagram of the T6020M
INT3
SD
single-chip
2 K x 8 bit
ROM
4-bit CPU core
oscillators
RC
MARC4
Clock management
BP50
INT6
Data direction +
interrupt control
OSC1
256 x 4 bit
BP51
INT6
counter with modulator function, voltage supervisor,
interval timer with watchdog function and a sophisticated
on-chip clock generation with external clock input,
integrated RC-oscillators.
D Synchronous serial interface (2-wire, I
D Multifunction timer/counter with
D Watchdog, POR and brown-out function
D Voltage monitoring incl. Lo_BAT detect
D Flash controller M48C893 available (SSO20)
D Code-efficient instruction set
D High-level language programming with qFORTH
RAM
Port 5
I/O bus
compiler
BP52
INT1
clock input
External
BP53
INT1
watchdog timer
with modulator
Serial interface
8/12-bit timer
interval- and
Timer 1
UTCM
Timer 2
SSI
T6020M
T2O
T2I
SC
SD
2
C, 3-wire)
1 (54)

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