T89C5121-ICUIL Atmel, T89C5121-ICUIL Datasheet - Page 15

• Manufacturer Part Number: T89C5121-ICUIL
• Description: IC 8051 MCU W/SMART CARD 24SSOP
• Manufacturer: Atmel
• Series: 89Cr

Specifications of T89C5121-ICUIL

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SmartCard, UART/USART
• Peripherals: LED, POR, WDT
• Number Of I /o: 14
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: Flash RAM
• Eeprom Size: 16K x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.85 V ~ 5.4 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 24-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -
• Other names: Q1468934; T89C5121-ICSIL; T89C5121-ICSIL

Figure 9. Power-Up and Steady-state Conditions Monitored
4164G–SCR–07/06
DV
V
CC
CC
Reset
t
Power-up
rise
t
G
VPFDP
VPFDM
Such device when it is integrated in a microcontroller, forces the CPU in reset mode
when V
The thresholds and their functions are:
•
•
Glitch filtering prevents the system from RESET when short duration glitches are carried
on V
The electrical parameters V
section.
V
at the power-up. The circuit leaves the RESET mode.
V
value for the microcontroller. An internal RESET is set.
DD
PFDP
PFDM
DD
power supply.
: the output voltage of the regulator has reached a minimum functional value
: the output voltage of the regulator has reached a low threshold functional
reaches a voltage condition which is out of the specification.
Steady-state Condition
PFDP
, V
PFDM
, t
rise
, t
fall
, t
G
are specified in the DCparameters
Power-down
A/T8xC5121
t
fall
15