T89C5121-ICUIL Atmel, T89C5121-ICUIL Datasheet - Page 50

IC 8051 MCU W/SMART CARD 24SSOP

T89C5121-ICUIL

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

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
50
A/T8xC5121
Table 33. IE1 Register
Reset Value = XXXX 0XXXb
Number
Bit
7
-
7
6
5
4
3
2
1
0
Mnemonic
ESCI
6
-
Bit
-
-
-
-
-
-
-
Description
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
SCI Interrupt Enable
Clear to disable the SCI interrupt.
Set to enable the SCI interrupt.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
5
-
4
-
ESCI
3
2
-
1
-
4164G–SCR–07/06
0
-

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