AT89C5122D-RDVIM Atmel, AT89C5122D-RDVIM Datasheet - Page 75
![IC 8051 MCU W/SMART CARD 64VQFP](/photos/6/81/68127/313-64-vqfp_sml.jpg)
AT89C5122D-RDVIM
Manufacturer Part Number
AT89C5122D-RDVIM
Description
IC 8051 MCU W/SMART CARD 64VQFP
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT89C5122D-PSTUM.pdf
(208 pages)
Specifications of AT89C5122D-RDVIM
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
AT89C5122D-RDTIM
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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SCIB Reset
4202F–SCR–07/2008
Register Name
SCICR
SCCON
SCISR
SCIIR
SCIER
SCSR
SCIBUF
SCETU1, SCETU0
SCGT1, SCGT0
SCWT3, SCWT2, SCWT1, SCWT0
SCICLK
Figure 43. Character Reception Diagram
The SCICR register contains a reset bit. If set, this bit generates a reset of the SCIB and
its registers. Table 43 defines the SCIB registers that are reset and their reset values.
Table 43. Reset Values for SCI Registers
I/O pin
SCIB Reset Value (Binary)
0000 0000
0X00 0000
1000 0000
0X00 0000
0X00 0000
X000 1000
0000 0000
XXXX X001, 0111 0100 (372)
0000 0000, 0000 1100 (12)
0000 0000, 0000 0000, 0010 0101, 1000 0000 (9600)
0X10 1111
SCISR register
SCTBE
SCIIR register
SCTBI
Shift Register
AT83R5122, AT8xC5122/23
ESCTBI
ESCTI
ESCRI
SCIBUF
SCTC
SCTI
SCRC
SCRI
Parity error
Parity error
SCPE
Character
Received
SCPI
75
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