AT89C5122D-RDRIM Atmel, AT89C5122D-RDRIM Datasheet - Page 98
![IC MCU 80C51 W/SMART CARD 64VQFP](/photos/6/81/68127/313-64-vqfp_sml.jpg)
AT89C5122D-RDRIM
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
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AT83R5122, AT8xC5122/23
•
Before using an endpoint, this one should be enabled by setting the EPEN bit in the
UEPCONX register.
An endpoint which is not enabled won’t answer to any USB request. The Default Control
Endpoint (Endpoint 0) should always be enabled in order to answer to USB standard
requests.
•
All Standard Endpoints can be configured in Control, Bulk, Interrupt or Isochronous
mode. The Ping-pong Endpoints can be configured in Bulk, Interrupt or Isochronous
mode. The configuration of an endpoint is performed by setting the field EPTYPE with
the following values:
The Endpoint 0 is the Default Control Endpoint and should always be configured in Con-
trol type.
•
For Bulk, Interrupt and Isochronous endpoints, the direction is defined with the EPDIR
bit of the UEPCONX register with the following values:
For Control endpoints, the EPDIR bit has no effect.
•
Make sure to select the correct endpoint number in the UEPNUM register before
accessing to endpoint specific registers.
Table 62. Summary of Endpoint Configuration
Endpoint configuration
Disabled
Control
Bulk-In
Bulk-Out
Interrupt-In
Interrupt-Out
Isochronous-In
Isochronous-Out
Endpoint enable
Endpoint type configuration
–
–
–
–
Endpoint direction configuration
–
–
Summary of Endpoint Configuration:
Control:
Isochronous: EPTYPE = 01b
Bulk:
Interrupt:
IN:EPDIR = 1b
OUT:EPDIR = 0b
EPTYPE = 00b
EPTYPE = 10b
EPTYPE = 11b
EPEN
0b
1b
1b
1b
1b
1b
1b
1b
EPDIR
Xb
Xb
1b
0b
1b
0b
1b
0b
EPTYPE
XXb
00b
10b
10b
01b
01b
11b
11b
4202F–SCR–07/2008
0XXX XXXb
UEPCONX
80h
86h
82h
87h
83h
85h
81h
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