AT89C5132-RORUL Atmel, AT89C5132-RORUL Datasheet - Page 14
AT89C5132-RORUL
Manufacturer Part Number
AT89C5132-RORUL
Description
MCU 8051 FLASH USB 80TQFP
Manufacturer
Atmel
Series
AT89C513xr
Specifications of AT89C5132-RORUL
Core Processor
C52X2
Core Size
8-Bit
Speed
20MHz
Connectivity
IDE/ATAPI, I²C, MMC, PCM, SPI, UART/USART, USB
Peripherals
I²S, POR, WDT
Number Of I /o
44
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
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
Lead free / RoHS Compliant
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Part Number
Manufacturer
Quantity
Price
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6.3.2
6.4
14
Registers
AT89C5132
PLL Programming
Figure 6-4.
Figure 6-5.
The PLL is programmed using the flow shown in Figure 6-6. As soon as clock generation is
enabled, the user must wait until the lock indicator is set to ensure the clock output is stable. The
PLL clock frequency will depend on the audio interface clock frequencies.
Figure 6-6.
Table 1. CKCON Register
CLOCK
OSC
PLL Block Diagram and Symbol
PLL Filter Connection
PLL Programming Flow
PLLclk
N divider
N6:0
=
PFILT
OSCclk
---------------------------------------------- -
N
PLLCON.1
PLLCON.0
PLOCK
PLLEN
+
×
PFLD
Configure Dividers
R9:0 = xxxxxxxxxxb
1
(
Programming
R
N6:0 = xxxxxxb
PLOCK = 1?
PLL Locked?
PLLRES = 0
Enable PLL
PLLEN = 1
+
V
1
PLL
SS
)
R
Down
C1
Up
V
R divider
SS
R9:0
PFILT
C2
CHP
Vref
VCO
PLL Clock Symbol
CLOCK
PLL
4173E–USB–09/07
PLL
Clock
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