参数资料
型号: ATAM893T-TKSYD
厂商: Atmel
文件页数: 1/98页
文件大小: 0K
描述: IC MCU FLASH 4K MTP 20SSOP
标准包装: 830
系列: MARC4
核心处理器: MARC4
芯体尺寸: 4-位
速度: 4MHz
连通性: SSI(2 线,3 线)
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 16
程序存储器容量: 4KB(4K x 8)
程序存储器类型: EEPROM
EEPROM 大小: 64 x 16
RAM 容量: 256 x 4
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 6.5 V
振荡器型: 内部
工作温度: -40°C ~ 125°C
封装/外壳: 20-SOIC(0.209",5.30mm 宽)
包装: 管件
Features
Extended Temperature Range for Very High Temperature up to 125°C
4-Kbyte EEPROM Program Memory
EEPROM Programmable Options
Read Protection for the EEPROM Program Memory
16 Bi-directional I/Os
Up to Seven External/Internal Interrupt Sources
Eight Hardware and Software Interrupt Priorities
Multifunction Timer/Counter with Prescaler/Interval Timer
Programmable System-clock with Prescaler and Five Different Clock
Sources
Wide Supply Voltage Range (1.8 V to 6.5 V)
Very Low Sleep Current (< 1 A)
2
× 512-bit EEPROM Data Memory
256
× 4-bit RAM Data Memory
Synchronous Serial Interface (2-wire, 3-wire)
Watchdog, POR and Brown-out Function
Voltage Monitoring Inclusive Lo_BAT Detect
Multi-chip Link for U3280M
Description
The ATAM893-D is the Multiple Times Programmable (MTP) version for the MARC4
ROM types ATAR080, ATAR090/890 and ATAR092/892. The MTP is designed with
EEPROM cells so it can be programmed several times. To offer full compatibility with
each ROM version, the I/O configuration is stored into a separate internal EEPROM
block during programming. The configuration is downloaded to the I/Os with every
power-on reset.
Figure 0-1.
Block Diagram
V
DD
T2I
SD
Voltage monitor
External input
MARC4
UTCM
OSC1
OSC2
I/O bus
EEPROM
RAM
4-bit CPU core
256 x 4 bit
V
SS
Data direction +
alternate function
Data direction +
interrupt control
Port 4
Port 5
Data direction +
alternate function
Port 6
Timer 3
Brown-out protect.
RESET
Clock management
Timer 1
watchdog timer
Timer 2
Serial interface
Port 1
P
o
rt
2
D
a
ta
d
ir
e
c
ti
o
n
T2O
SD
SC
T3O
T3I
BP10
BP13
BP20/NTE
BP21
BP22
BP23
BP40
INT3
SC
BP41
VMI
BP42
T2O
BP43
INT3
BP50
INT6
BP51
INT6
BP52
INT1
BP53
INT1
BP60
T3O
BP63
T3I
RC
oscillators
Crystal
oscillators
4 K x 8 bit
VMI
with modulator
SSI
External
clock input
interval- and
8/12-bit timer
8-bit
timer/counter
with modulator
and demodulator
T2I
EEPROM
2 x 32 x 16 bit
Flash Version
for ATAR080,
ATAR090/890
and
ATAR092/892
ATAM893-D
Rev. 4680C–4BMCU–01/05
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