AT89C51SND1C-7HTUL Atmel, AT89C51SND1C-7HTUL Datasheet - Page 190
AT89C51SND1C-7HTUL
Manufacturer Part Number
AT89C51SND1C-7HTUL
Description
IC MCU 64KB FLASH MEM 81-CBGA
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT80C51SND1C-ROTIL.pdf
(213 pages)
Specifications of AT89C51SND1C-7HTUL
Core Processor
8051
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, IDE/ATAPI, MMC, SPI, UART/USART, USB
Peripherals
Audio, I²S, MP3, PCM, POR, WDT
Number Of I /o
44
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
2.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.3 V
Data Converters
A/D 2x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
81-CBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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23.3.2.3
23.3.3
23.3.3.1
190
AT8xC51SND1C
External IDE 16-bit Bus Cycles
Waveforms
Definition of Symbols
Figure 23-10. External Data 8-bit Bus Cycle - Read Waveforms
Figure 23-11. External Data 8-bit Bus Cycle - Write Waveforms
Table 167. External IDE 16-bit Bus Cycles Timing Symbol Definitions
A
D
L
Q
R
W
ALE
ALE
WR
RD
P0
P2
P0
P2
Signals
Address
Data In
ALE
Data Out
RD
WR
T
T
LHLL
LHLL
T
T
AVLL
AVLL
A7:0
T
A7:0
AVRL
T
T
T
T
T
LLAX
LLAX
T
RLAZ
AVWL
LLRL
AVDV
T
LLWL
A15:8
T
RLDV
A15:8
T
RLRH
T
H
L
V
X
Z
QVWH
T
Data Out
WLWH
D7:0
Data In
D7:0
T
RHDX
T
RHDZ
Conditions
T
T
WHQX
RHLH
T
WHLH
High
Low
Valid
No Longer Valid
Floating
4109L–8051–02/08
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