AT89C5122D-RDRIM Atmel, AT89C5122D-RDRIM Datasheet - Page 52
![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
Available stocks
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Port 1
Port 2
52
Port
P1.2
P1.6
P1.7
Alternate Function
Signal
CIO
CC8
CPRES
CC4
CCLK
CRST
SS
CCLK1
AT83R5122, AT8xC5122/23
Description
Smart card interface function
Card I/O
Smart card interface function
Card contact 8
Smart card interface function
Card presence
Smart card interface function
Card contact 4
Smart card interface function
Card clock
Smart card interface function
Card reset
SS pin of the SPI function
Alternate Card Clock output
Port 1 has the following functions:
Table 31. Port 1 Description.
Port 2 has the following functions:
Port 2 has the following configurations:
–
–
–
–
–
–
–
–
Default function : Only Port 1.2, P1.6 and P1.7 are standard I/O’s; the other
ports can be activated only with the SCIB function.
Alternate function and configuration: see Table 31.
Default function: Port 2 is an 8-bit I/O port.
Alternate function 1: Port 2 is also the multiplexed high-order address during
accesses to external Program and Data Memory. In this application, it uses
strong internal pull-ups when emitting 1’s and it can drive CMOS inputs
without external pull-ups.
Default configuration: Pseudo bi-directional “Port51” digital input/output with
internal pull-ups.
Configuration 1: Push-pull output
Configuration 2: Low speed output, “KB_OUT
Configuration 3: Input with weak pull-up, “WPU input”
Configuration
Mode
Quasi-bidirectional port supplied by
DC/DC converter
Quasi-bidirectional port supplied by
DC/DC converter
Quasi-bidirectional port supplied by VCC
Quasi-bidirectional port supplied by
DC/DC converter
Push-Pull port supplied by DC/DC
converter
Push-Pull port supplied by DC/DC
converter
Quasi-bidirectional supplied by VCC
Quasi-bidirectional supplied by VCC
Quasi-bidirectional supplied by VCC
Comments
Low level at reset.
Caution : if DPU bit is set in AUXR register, the
weak-pull of the port is disabled
Low level at reset
Caution : if DPU bit is set in AUXR register, the
weak-pull of the port is disabled
Weak & medium pull-up’s can be disconnected
by CPRESRES bit in PMOD0 regsiter
High Level at reset
Low level at reset
Caution : if DPU bit is set in AUXR register, the
weak-pull of the port is disabled
Low level at reset
Low level at reset
Alternate Card Clock function disabled
Alternate Smart Card Clock enabled
Switched automatically to Push-pull (see Table
47 on page 80 )
4202F–SCR–07/2008
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