T89C5121-ICUIL Atmel, T89C5121-ICUIL Datasheet - Page 105

• 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

4164G–SCR–07/06
Typical Application
Figure 54. Typical Application Diagram
Notes:
RTS
RxD
TxD
V
OE
CC
1. C4 and C5 must be placed near IC and have low ESR (<250m )
2. Straight and short connections avoid any loop between:
3.
4. Current is limited to 10 mA.
5. CCLK should be routed far from CRST, CIO, CC4, CC8 and armored by ground plane.
V
- CVSS and V
- C
or V
DV
CC
V
CC
connection of the master card must be placed as follows:
CC
CC
(4)
and C4, C5
Serial Interface
C1
V
SS
4.7 µF
SS
L1
4.7 µH
INT1/OE
CVSS
c
LED0
LED1
V
T0
CC
RxD
TxD
V
LI
CC
P3.6
P3.7
P3.4
P3.1
P3.3
P3.0
V
V
SS
SS
C4, C5
XTAL1
V
SS
to card V
Y1
XTAL2
V
SS
CC
Resonator
or Quartz with standard
capacitors
P1.2
CVSS
P3.5
CVCC
P3.7
P3.6
P1.0
P1.1
P1.3
P1.5
P1.4
CC4
CPRES
DV
CCLK
CRST1
EV
CRST
CIO1
CIO
CCLK1
CC8
V
V
V
CC
CC
SS
SS
CC
C2
100nF
10µF
1Mohm
(optional resistor)
C4
V
SS
V
22 pF
SS
C6
V
SS
100nF
C5
100nF
C3
V
RST
A/T8xC5121
SS
82 pF
I/O
RST
CLK
C7
10 kohm
Positive
Detection
Mode
CV
Alternate
Card
CC
I/O
C8
C4
CLK
(1)(2)(3)
Vcc
(5)
105