AT89C5122D-PSTUM Atmel, AT89C5122D-PSTUM Datasheet - Page 192

• Manufacturer Part Number: AT89C5122D-PSTUM
• Description: IC 8051 MCU FLASH 32K 64QFN
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C5122D-PSTUM

• 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-QFN
• For Use With: AT89STK-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: -

External Program Memory
Read Cycle
192
AT83R5122, AT8xC5122/23
PORT 2
PORT 0
ALE
PSEN
INSTR IN
OR SFR-P2
ADDRESS
Table 115. AC Parameters for a Variable Clock
Symbol
T
T
T
T
T
T
T
T
T
T
T
T
PLPH
LHLL
AVLL
LLAX
LLPL
PLAZ
PLIV
PXIX
PXIZ
AVIV
LLIV
LHLL
T
T
LLAX
AVLL
A0-A7
T
ADDRESS A8-A15
AVIV
T
LLIV
Type
T
Max
Max
Max
Max
Max
Min
Min
Min
Min
Min
Min
T
LLPL
TPLAZ
PLIV
T
PLPH
INSTR IN
T
PXIX
Standard
clock
2T - x
4T - x
3T - x
3T - x
5T - x
T - x
T - x
T - x
T - x
12 T
x
x
CLCL
T
PXIZ
X2 Clock
0.5 T - x
0.5 T - x
0.5 T - x
1.5 T - x
1.5 T - x
0.5 T - x
2.5 T - x
2 T - x
T
T - x
A0-A7
PXAV
x
x
ADDRESS A8-A15
X parameter
15
20
20
35
15
25
45
15
45
10
0
INSTR IN
4202F–SCR–07/2008
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns