AT89C5122D-RDVIM Atmel, AT89C5122D-RDVIM Datasheet - Page 177
![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
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4202F–SCR–07/2008
Table 111. Timeout value for
Table 112. Watchdog Timer Enable register (Write Only) - WDTRST (A6h)
Reset Value = XXXX XXXXb
The WDTRST register is used to reset / enable the WDT by writing 1EH then E1H in
sequence.
7
-
S2
0
0
0
0
1
1
1
1
6
-
S1
0
0
1
1
0
0
1
1
5
-
F
CK_WD
S0
AT83R5122, AT8xC5122/23
= 24 MHz / X2
0
1
0
1
0
1
0
1
4
-
3
-
Timeout for F
2
-
131.07 ms
262.14 ms
524.29 ms
16.38 ms
32.77 ms
65.54 ms
4.10 ms
8.19 ms
CK_WD
= 24 MHz / X2
1
-
0
-
177
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