AT89C5122D-PSTUM Atmel, AT89C5122D-PSTUM Datasheet - Page 167

• 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 106. Interrupt Priority High Register 1 - IPH1 (B3h) for AT83C5123
Reset Value = X0XX 0XXXb (Not bit addressable)
Number
Bit
5-4
7
6
3
2
1
0
7
-
Mnemonic
PUSBH
PUSBH
PSCIH
Bit
6
-
-
-
Reserved
The value read from this bit is indeterminate. Do not change this bit.
USB Interrupt Priotity High bit
PUSBH PUSBL
Reserved
The value read from this bit is indeterminate. Do not change these bits.
SCI Interrupt Priority High bit
Reserved
The value read from this bit is indeterminate. Do not change these bits.
Reserved
The value read from this bit is indeterminate. Do not change this bit.
Reserved
The value read from this bit is indeterminate. Do not change these bits.
PSCIH
0
0
1
1
0
0
1
1
5
-
PSCIL
0
1
0
1
0
1
0
1
AT83R5122, AT8xC5122/23
4
-
Priority Level
Lowest
Highest
Priority Level
Lowest
Highest
PSCIH
3
Description
2
-
1
-
0
-
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