AT89C5132-ROTIL Atmel, AT89C5132-ROTIL Datasheet - Page 159

• Manufacturer Part Number: AT89C5132-ROTIL
• Description: IC 8051 MCU FLASH 64K USB 80TQFP
• Manufacturer: Atmel
• Series: AT89C513xr

Specifications of AT89C5132-ROTIL

• 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: Contains lead / RoHS non-compliant

23.3
23.3.1
23.3.1.1
23.3.1.2
4173E–USB–09/07
AC Characteristics
External 8-bit Bus Cycles
Definition of Symbols
Timings
Table 108. External 8-bit Bus Cycles Timing Symbol Definitions
Test conditions: capacitive load on all pins = 50 pF.
Table 109. External 8-bit Bus Cycle – Data Read AC Timings
V
DD
Symbol
T
T
T
T
T
T
T
T
T
T
T
T
T
RHDX
RLRH
RHLH
AVDV
AVRL
RLDV
RHDZ
CLCL
LHLL
AVLL
LLAX
LLRL
RLAZ
= 2.7 to 3.3V, T
W
A
D
Q
R
L
Parameter
Clock Period
ALE Pulse Width
Address Valid to ALE Low
Address hold after ALE Low
ALE Low to RD Low
RD Pulse Width
RD high to ALE High
Address Valid to Valid Data In
Address Valid to RD Low
RD Low to Valid Data
RD Low to Address Float
Data Hold After RD High
Instruction Float After RD High
Signals
A
Address
Data In
ALE
Data Out
RD
WR
= -40° to +85°C
2·T
3·T
6·T
4·T
T
T
T
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
Min
50
0
Standard Mode
Variable Clock
-20
-20
-20
-15
-30
-25
-30
9·T
5·T
2·T
T
CLCL
Max
CLCL
CLCL
CLCL
0
+20
-65
-30
-25
0.5·T
0.5·T
1.5·T
0.5·T
3·T
2·T
T
H
V
X
Z
L
CLCL
Min
CLCL
CLCL
50
CLCL
CLCL
CLCL
CLCL
0
Variable Clock
-15
-25
-30
Conditions
-20
-20
-30
-20
X2 Mode
AT89C5132
High
Low
Valid
No Longer Valid
Floating
0.5·T
4.5·T
2.5·T
T
CLCL
Max
CLCL
CLCL
CLCL
0
-25
+20
-65
-30
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
159