AT80C51SND1C-ROTIL Atmel, AT80C51SND1C-ROTIL Datasheet - Page 17

• Manufacturer Part Number: AT80C51SND1C-ROTIL
• Description: IC MCU FLASH MP3 DECODER 80-TQFP
• Manufacturer: Atmel
• Series: 80Cr

Specifications of AT80C51SND1C-ROTIL

• 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 Type: ROMless
• Ram Size: 2.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.3 V
• Data Converters: A/D 2x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-TQFP, 80-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Other names: AT80C51SND1CROTIL

4109L–8051–02/08
Reset Value = 0000 1000b
Table 18. PLLNDIV Register
PLLNDIV (S:EEh) – PLL N Divider Register
Reset Value = 0000 0000b
Table 19. PLLRDIV Register
PLLRDIV (S:EFh) – PLL R Divider Register
Reset Value = 0000 0000b
Number
Number
Number
6 - 0
7 - 0
Bit
Bit
Bit
R9
2
1
0
7
7
7
-
Mnemonic Description
Mnemonic Description
Mnemonic Description
PLOCK
PLLEN
N6:0
R9:2
Bit
N6
Bit
R8
Bit
6
6
-
-
Reserved
The value read from this bit is always 0. Do not set this bit.
PLL Enable Bit
Set to enable the PLL.
Clear to disable the PLL.
PLL Lock Indicator
Set by hardware when PLL is locked.
Clear by hardware when PLL is unlocked.
Reserved
The value read from this bit is always 0. Do not set this bit.
PLL N Divider
7 - bit N divider.
PLL Most Significant Bits R Divider
8 MSB of the 10-bit R divider.
N5
R7
5
5
N4
R6
4
4
N3
R5
3
3
AT8xC51SND1C
N2
R4
2
2
N1
R3
1
1
N0
R2
0
0
17