AT89C5122D-PSTUM Atmel, AT89C5122D-PSTUM Datasheet - Page 161

• Manufacturer Part Number: AT89C5122D-PSTUM
• Description: IC 8051 MCU FLASH 32K 64QFN
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C5122D-PSTUM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 48MHz
• Connectivity: SmartCard, SPI, UART/USART, USB
• Peripherals: LED, POR, WDT
• Number Of I /o: 46
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-QFN
• For Use With: AT89STK-10 - KIT EVAL APPL MASS STORAGEAT89STK-03 - KIT STARTER FOR MCU AT8XC5122/23
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

4202F–SCR–07/2008
Table 99. Interrupt Enable Register 1 - IEN1 (B1h) for AT8xC5122
Reset Value = X0XX 00X0b (Bit addressable)
Number
5 - 4
Bit
7
7
6
3
2
1
0
-
Mnemonic Description
EUSB
EUSB
ESCI
ESPI
EKB
Bit
6
-
-
-
Reserved
The value read from this bit is indeterminate. Do not change this bit.
USB Interrupt Enable bit
Cleared to disable USB interrupt .
Set to enable USB interrupt.
Reserved
The value read from this bit is indeterminate. Do not change these bits.
SCI interrupt Enable bit
Cleared to disable SCIinterrupt .
Set to enable SCI interrupt.
SPI interrupt Enable bit
Cleared to disable SPI interrupt .
Set to enable SPI interrupt.
Reserved
The value read from this bit is indeterminate. Do not change this bit.
Keyboard interrupt Enable bit
Cleared to disable keyboard interrupt .
Set to enable keyboard interrupt.
5
-
AT83R5122, AT8xC5122/23
4
-
ESCI
3
ESPI
2
1
-
EKB
0
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