AT89C5132-RORUL Atmel, AT89C5132-RORUL Datasheet - Page 160

• Manufacturer Part Number: AT89C5132-RORUL
• Description: MCU 8051 FLASH USB 80TQFP
• Manufacturer: Atmel
• Series: AT89C513xr

Specifications of AT89C5132-RORUL

• Core Processor: C52X2
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: IDE/ATAPI, I²C, MMC, PCM, SPI, UART/USART, USB
• Peripherals: I²S, POR, WDT
• Number Of I /o: 44
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 2.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.3 V
• Data Converters: A/D 2x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-TQFP, 80-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

23.3.1.3
160
AT89C5132
Waveforms
Table 110. External 8-bit Bus Cycle – Data Write AC Timings
V
Figure 23-8. External 8-bit Bus Cycle – Data Read Waveforms
DD
Symbol
T
T
T
T
T
T
T
T
T
T
WLWH
QVWH
WHQX
WHLH
AVWL
CLCL
LHLL
AVLL
LLAX
LLWL
= 2.7 to 3.3V, T
Parameter
Clock Period
ALE Pulse Width
Address Valid to ALE Low
Address hold after ALE Low
ALE Low to WR Low
WR Pulse Width
WR High to ALE High
Address Valid to WR Low
Data Valid to WR High
Data Hold after WR High
ALE
RD
P0
P2
A
= -40° to +85°C
T
LHLL
T
AVLL
A7:0
T
AVRL
T
2·T
3·T
6·T
4·T
7·T
T
T
LLAX
T
T
T
T
T
RLAZ
LLRL
CLCL
CLCL
CLCL
CLCL
AVDV
CLCL
CLCL
CLCL
CLCL
CLCL
Min
50
Standard Mode
Variable Clock
-20
-20
-20
-15
-15
-30
-25
-30
-20
T
RLDV
T
CLCL
Max
T
A15:8
RLRH
+20
Data In
0.5·T
0.5·T
1.5·T
0.5·T
3.5·T
0.5·T
D7:0
3·T
2·T
T
CLCL
CLCL
CLCL
Min
50
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
T
RHDX
-15
T
Variable Clock
-25
-30
RHDZ
-20
-20
-30
-20
-20
-15
T
X2 Mode
RHLH
0.5·T
Max
CLCL
+20
4173E–USB–09/07
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns