AT89C51SND2C-7FTUL Atmel, AT89C51SND2C-7FTUL Datasheet - Page 133

• Manufacturer Part Number: AT89C51SND2C-7FTUL
• Description: IC 8051 MCU FLASH 64K MP3 100BGA
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51SND2C-7FTUL

• 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: 32
• 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; D/A 2x20b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TFBGA
• Data Bus Width: 8 bit
• Data Ram Size: 2.25 KB
• Interface Type: ATAPI, I2S, IDE, SPI, UART, USB
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: AT89C51SND2C7FTUL

17.2
4341H–MP3–10/07
Registers
Table 17-1.
Table 17-2.
DAT16H (S:F9h) – Data 16 High Order Byte
Reset Value =XXXX XXXXb
Bit Number
Signal
AD7:0
Name
A15:8
ALE
WR
RD
7 - 0
D15
7
Type
I/O
I/O
O
O
O
Mnemonic
External Data Memory Interface Signals
DAT16H Register
D15:8
D14
Bit
6
Description
Address Lines
Upper address lines for the external bus.
Multiplexed higher address and data lines for the IDE interface.
Address/Data Lines
Multiplexed lower address and data lines for the IDE interface.
Address Latch Enable
ALE signals indicates that valid address information is available on lines AD7:0.
Read
Read signal output to external data memory.
Write
Write signal output to external memory.
Description
Data 16 High Order Byte
When EXT16 bit is set, DAT16H is set by software with the high order data Byte prior any
MOVX write instruction.
When EXT16 bit is set, DAT16H contains the high order data Byte after any MOVX read
instruction.
D13
5
D12
4
D11
AT8xC51SND2C/MP3B
3
D10
2
D9
1
Alternate
Function
P2.7:0
P0.7:0
P3.7
P3.6
D8
0
-
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