AT89C5122D-RDTUM Atmel, AT89C5122D-RDTUM Datasheet - Page 120
![IC 8051 MCU FLASH 32K 64VQFP](/photos/6/81/68127/313-64-vqfp_sml.jpg)
AT89C5122D-RDTUM
Manufacturer Part Number
AT89C5122D-RDTUM
Description
IC 8051 MCU FLASH 32K 64VQFP
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT89C5122D-PSTUM.pdf
(208 pages)
Specifications of AT89C5122D-RDTUM
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
AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCUAT89STK-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
-
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AT83R5122, AT8xC5122/23
Table 71. USB FIFO Data Endpoint X (X=EPNUM set in UEPNUM Register) -
UEPDATX (S:CFh)
Reset Value = XXXX XXXXb
Table 72. USB Byte Count Register X (X=EPNUM set in UEPNUM Register) - UBYCTX
(S:E2h)
Reset Value = 0000 0000b
Number
Number
FDAT7
6 - 0
Bit
7 - 0
Bit
7
7
7
-
Mnemonic Description
BYCT[6:0]
Mnemonic
FDAT
Bit
BYCT6
FDAT6
-
Bit
6
6
[7:0]
Reserved
The value read from these bits is always 0. Do not change this bit.
Byte Count LSB
Least Significant Byte of the byte count of a received data packet. This byte count
is equal to the number of data bytes received after the Data PID.
Description
Endpoint X FIFO data
Data byte to be written to FIFO or data byte to be read from the FIFO, for the
Endpoint X (see EPNUM).
BYCT5
FDAT5
5
5
BYCT4
FDAT4
4
4
BYCT3
FDAT3
3
3
BYCT2
FDAT2
2
2
BYCT1
FDAT1
1
1
4202F–SCR–07/2008
BYCT0
FDAT0
0
0
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