AT89C5132 Atmel Corporation, AT89C5132 Datasheet - Page 162

• Manufacturer Part Number: AT89C5132
• Manufacturer: Atmel Corporation

Specifications of AT89C5132

• Flash (kbytes): 64 Kbytes
• Max. Operating Frequency: 20 MHz
• Cpu: 8051-12C
• Max I/o Pins: 44
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Uart: 1
• Adc Channels: 2
• Adc Resolution (bits): 10
• Adc Speed (ksps): 22.7
• Sram (kbytes): 2.25
• Self Program Memory: API
• Operating Voltage (vcc): 2.7 to 3.6
• Timers: 2
• Isp: UART/USB
• Watchdog: Yes

162
AT89C5132
Table 112. External IDE 16-bit Bus Cycle – Data Read AC Timings
V
Table 113. External IDE 16-bit Bus Cycle – Data Write AC Timings
V
Symbol
Symbol
DD
DD
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
WLWH
QVWH
WHQX
WHLH
AVWL
RHDX
RHDZ
CLCL
RLRH
RHLH
AVDV
AVRL
RLDV
RLAZ
CLCL
LHLL
AVLL
LLAX
LLWL
LHLL
AVLL
LLAX
LLRL
= 2.7 to 3.3V, T
= 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
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
A
A
= -40° to +85°C
= -40° to +85°C
2·T
3·T
6·T
4·T
7·T
2·T
3·T
6·T
4·T
T
T
T
T
T
T
T
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
Min
50
Min
CLCL
CLCL
CLCL
CLCL
50
Standard Mode
Standard Mode
Variable Clock
0
Variable Clock
-20
-20
-20
-15
-20
-20
-20
-15
-30
-25
-30
-20
-15
-30
-25
-30
9·T
5·T
2·T
T
T
CLCL
CLCL
Max
CLCL
CLCL
CLCL
Max
0
+20
+20
-65
-30
-25
0.5·T
0.5·T
1.5·T
0.5·T
0.5·T
0.5·T
1.5·T
0.5·T
3.5·T
0.5·T
3·T
2·T
3·T
2·T
T
T
CLCL
CLCL
CLCL
CLCL
Min
CLCL
CLCL
Min
50
CLCL
CLCL
CLCL
CLCL
0
50
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
-15
Variable Clock
-15
Variable Clock
-25
-30
-25
-30
-20
-20
-30
-20
-20
-20
-30
-20
-20
-15
X2 Mode
X2 Mode
0.5·T
0.5·T
4.5·T
2.5·T
T
CLCL
Max
Max
CLCL
CLCL
CLCL
CLCL
0
-25
4173E–USB–09/07
+20
+20
-65
-30
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns