T89C5121-ICUIL Atmel, T89C5121-ICUIL Datasheet - Page 5

• 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

Signals
Table 1. Ports Description
4164G–SCR–07/06
Port
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
Signal
CPRES
Name
CRST
CCLK
CC8
CC4
CIO
Alternate
Internal
Supply
All the T8xC5121 signals are detailed in Table 1.
The port structure is described in Section “Port Structure Description”.
Power
CV
CV
CV
CV
CV
V
CC
CC
CC
CC
CC
CC
ESD
4 kV
4 kV
4 kV
4 kV
4 kV
4 kV
Type
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
I
I
I
I
I
Description
Smart card interface function
Card I/O.
Input/Output function
P1.0 is a bi-directional I/O port .
Reset configuration
Input .
Smart card interface function
Card contact 8
Output function
P1.1 is a Push-pull port.
Reset configuration
Input
Smart card interface function
Card presence
Input/Output function
P1.2 is a bi-directional I/O port with internal pull-ups- ( External Pull-up
configuration can be selected).
Reset configuration
Input (high level due to internal pull-up)
Smart card interface function
Card contact 4
Output function
P1.3 is a Push-pull port.
Reset configuration
Input (high level due to internal pull-up)
Smart card interface function
Card clock
Input/Output function
P1.4 is a a Push-pull port.
Reset configuration
Output at low level
Smart card interface function
Card reset
Input/Output function
P1.5 is a a Push-pull port.
Reset configuration
Output at low level
A/T8xC5121
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