AT89C5122D-PSTUM Atmel, AT89C5122D-PSTUM Datasheet - Page 194

• 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 Data Memory Write
Cycle
194
AT83R5122, AT8xC5122/23
PORT 0
PORT 2
PSEN
ALE
WR
Table 117. AC Parameters for a Variable Clock
(warning x value differ from AT89C51RD2)
OR SFR-P2
ADDRESS
Symbol
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
WLWH
QVWX
QVWH
WHQX
WHLH
WHLH
RLRH
RHDX
RHDZ
AVDV
AVWL
RLDV
RLAZ
LLDV
LLWL
LLWL
Type
A0-A7
Max
Max
Max
Max
Max
Max
Max
Min
Min
Min
Min
Min
Min
Min
Min
Min
T
T
LLAX
AVWL
T
LLWL
Standard
Clock
7 T - x
3T + x
6T - x
6T - x
5T - x
2T - x
8T - x
9T - x
3T - x
4T - x
T - x
T - x
T - x
T - x
x
x
ADDRESS A8-A15 OR SFR P2
T
QVWX
X2 Clock
1.5 T + x
0.5 T + x
2.5 T - x
4.5 T - x
1.5 T - x
0.5 T - x
3.5 T - x
0.5 T - x
0.5 T - x
3 T - x
3 T - x
2 T - x
4T - x
T - x
x
x
T
QVWH
T
DATA OUT
WLWH
X parameter
20
20
25
20
40
60
25
25
25
15
25
10
15
15
0
0
T
WHLH
4202F–SCR–07/2008
T
Units
WHQX
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns