AT89C5132 Atmel Corporation, AT89C5132 Datasheet - Page 21

• 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

6.3.2
6.3.2.1
6.3.2.2
4173ES–USB–09/07
External IDE 16-bit Bus Cycles
Definition of Symbols
Timings
Figure 6-9.
Table 9. External IDE 16-bit Bus Cycles Timing Symbol Definitions
Test conditions: capacitive load on all pins = 50 pF.
W
A
D
Q
R
L
ALE
WR
P0
P2
External 8-bit Bus Cycle – Data Write Waveforms
Signals
Address
Data In
ALE
Data Out
RD
WR
T
LHLL
T
AVLL
A7:0
T
T
LLAX
AVWL
T
LLWL
A15:8
T
QVWH
Data Out
T
WLWH
D7:0
H
V
X
Z
L
T
WHQX
T
Conditions
WHLH
AT89C5132
High
Low
Valid
No Longer Valid
Floating
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