AT89C51SND1C-ROTUL Atmel, AT89C51SND1C-ROTUL Datasheet - Page 24
![IC 8051 MCU FLASH 64K MP3 80TQFP](/photos/12/13/121358/313-80-tqfp_sml.jpg)
AT89C51SND1C-ROTUL
Manufacturer Part Number
AT89C51SND1C-ROTUL
Description
IC 8051 MCU FLASH 64K MP3 80TQFP
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT80C51SND1C-ROTIL.pdf
(213 pages)
Specifications of AT89C51SND1C-ROTUL
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
80-TQFP, 80-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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24
Hardware Bytes
AT8xC51SND1C
Reset Value = XXXX 00X0b
Note:
Table 23. HSB Byte – Hardware Security Byte
Reset Value = XXUU UXXX, UUUU UUUU after an hardware full chip erase.
Note:
Table 24. SBV Byte – Software Boot Vector
1. ENBOOT bit is only available in AT89C51SND1C product.
1. X2B initializes the X2 bit in CKCON during the reset phase.
2. In order to ensure boot loader activation at first power-up, AT89C51SND1C products are deliv-
3. Bits 0 to 3 (LSN) can only be programmed by hardware mode.
Number
Number
ADD15
ered with BLJB programmed.
5 - 4
2 - 0
X2B
Bit
Bit
3
2
1
0
7
7
6
3
7
Mnemonic Description
Mnemonic Description
BLJB
ADD14
X2B
BLJB
LB2:0
DPS
GF3
Bit
Bit
0
6
6
-
-
-
(1)
(2)
General Flag
This bit is a general-purpose user flag.
Always Zero
This bit is stuck to logic 0 to allow INC AUXR1 instruction without affecting GF3
flag.
Reserved for Data Pointer Extension.
Data Pointer Select Bit
Set to select second data pointer: DPTR1.
Clear to select first data pointer: DPTR0.
X2 Bit
Program this bit to start in X2 mode.
Unprogram (erase) this bit to start in standard mode.
Boot Loader Jump Bit
Program this bit to execute the boot loader at address F000h on next reset.
Unprogram (erase) this bit to execute user’s application at address 0000h on
next reset.
Reserved
The value read from these bits is always unprogrammed. Do not program these
bits.
Reserved
The value read from this bit is always unprogrammed. Do not program this bit.
Hardware Lock Bits
Refer to for bits description.
ADD13
5
5
-
ADD12
4
4
-
ADD11
3
3
-
ADD10
LB2
2
2
ADD9
LB1
1
1
4109L–8051–02/08
ADD8
LB0
0
0
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