AT89C5122D-RDRIM Atmel, AT89C5122D-RDRIM Datasheet - Page 164

• Manufacturer Part Number: AT89C5122D-RDRIM
• Description: IC MCU 80C51 W/SMART CARD 64VQFP
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C5122D-RDRIM

• 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-TQFP, 64-VQFP
• For Use With: AT89STK-10 - KIT EVAL APPL MASS STORAGEAT89STK-03 - KIT STARTER FOR MCU AT8XC5122/23
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -
• Other names: AT89C5122DRDRIMTR

164
AT83R5122, AT8xC5122/23
Table 103. Interrupt Priority Low Register 1 - IPL1 (B2h) for AT8xC5122
Reset Value = X00X 00X0b (Bit addressable)
Number
5 - 4
Bit
7
7
6
3
2
1
0
-
Mnemonic Description
PUSBL
PUSBL
PSCIL
PSPIL
PKBL
Bit
6
-
-
-
Reserved
The value read from this bit is indeterminate. Do not change this bit.
USB Interrupt Priority bit
Refer to PUSBH for priority level.
Reserved
The value read from this bit is indeterminate. Do not change these bits.
SCI Interrupt Priority bit
Refer to PSPIH for priority level.
SPI Interrupt Priority bit
Refer to PSPIH for priority level.
Reserved
The value read from this bit is indeterminate. Do not change this bit.
Keyboard Interrupt Priority bit
Refer to PKBDH for priority level.
5
-
4
-
PSCIL
3
PSPIL
2
1
-
4202F–SCR–07/2008
PKBDL
0