AT89C51SND2C-7FTUL Atmel, AT89C51SND2C-7FTUL Datasheet - Page 31

• 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

8. Special Function Registers
Table 8-1.
Table 8-2.
Note:
Table 8-3.
Table 8-4.
4341H–MP3–10/07
ACC
B
PSW
SP
DPL
DPH
PCON
AUXR
AUXR1
NVERS
CKCON
PLLCON
PLLNDIV
PLLRDIV
IEN0
IEN1
IPH0
IPL0
IPH1
Mnemonic Add Name
Mnemonic Add Name
Mnemonic Add Name
Mnemonic Add Name
1. ENBOOT bit is only available in AT89C51SND2C product.
E0h Accumulator
D0h Program Status Word
8Eh Auxiliary Register 0
A2h Auxiliary Register 1
FBh Version Number
E9h PLL Control
EEh PLL N Divider
EFh PLL R Divider
A8h Interrupt Enable Control 0
B1h Interrupt Enable Control 1
B7h Interrupt Priority Control High 0
B8h Interrupt Priority Control Low 0
B3h Interrupt Priority Control High 1
F0h B Register
81h Stack Pointer
82h Data Pointer Low Byte
83h Data Pointer High Byte
87h Power Control
8Fh Clock Control
C51 Core SFRs
System Management SFRs
PLL and System Clock SFRs
Interrupt SFRs
The Special Function Registers (SFRs) of the AT8xC51SND2C derivatives fall into the catego-
ries detailed in Table 8-1 to Table . The relative addresses of these SFRs are provided together
with their reset values in Table 8-19. In this table, the bit-addressable registers are identified by
Note 1.
SMOD1
NV7
CY
R1
R9
EA
7
7
7
7
-
-
-
-
-
-
-
-
IPHAUD
IPHUSB
IPLAUD
SMOD0
EXT16
EAUD
EUSB
NV6
AC
R0
N6
R8
6
6
6
6
-
-
ENBOOT
IPHMP3
IPLMP3
EMP3
NV5
M0
N5
R7
F0
1)
5
5
5
5
-
-
-
-
-
(
DPHDIS
IPHKB
IPHS
IPLS
RS1
NV4
EKB
ES
N4
R6
4
4
4
4
-
-
-
-
AT8xC51SND2C/MP3B
PLLRES
IPHADC
IPHT1
XRS1
IPLT1
RS0
GF1
GF3
NV3
ET1
N3
R5
3
3
3
3
-
-
IPHSPI
IPHX1
IPLX1
XRS0
ESPI
GF0
NV2
EX1
OV
N2
R4
2
2
0
2
2
-
-
EXTRAM
IPHI2C
PLLEN
IPHT0
IPLT0
EI2C
NV1
ET0
PD
F1
N1
R3
1
1
1
1
-
-
IPHMMC
PLOCK
EMMC
IPHX0
IPLX0
DPS
NV0
EX0
IDL
AO
N0
R2
X2
P
0
0
0
0
31