AT89C5132 Atmel Corporation, AT89C5132 Datasheet - Page 17

• Manufacturer Part Number: AT89C5132
• Manufacturer: Atmel Corporation

Specifications of AT89C5132

• Flash (kbytes): 64 Kbytes
• Max. Operating Frequency: 20 MHz
• Cpu: 8051-12C
• Max I/o Pins: 44
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Uart: 1
• Adc Channels: 2
• Adc Resolution (bits): 10
• Adc Speed (ksps): 22.7
• Sram (kbytes): 2.25
• Self Program Memory: API
• Operating Voltage (vcc): 2.7 to 3.6
• Timers: 2
• Isp: UART/USB
• Watchdog: Yes

6.2.4
6.2.4.1
6.2.4.2
6.2.5
6.2.5.1
4173ES–USB–09/07
Oscillator and Crystal
Phase Lock Loop
Schematic
Parameters
Schematic
Figure 6-4.
Note:
Table 3. Oscillator and Crystal Characteristics
V
Figure 6-5.
DD
Symbol
= 2.7 to 3.3V , T
C
C
RS
CS
DL
C
F
X1
X2
L
For operation with most standard crystals, no external components are needed on X1 and X2. It
may be necessary to add external capacitors on X1 and X2 to ground in special cases (max 10
pF). X1 and X2 may not be used to drive other circuits.
Parameter
Internal Capacitance (X1 -
Internal Capacitance (X2 -
Equivalent Load Capacitance (X1 - X2)
Drive Level
Crystal Frequency
Crystal Series Resistance
Crystal Shunt Capacitance
Crystal Connection
PLL Filter Connection
A
= -40 to +85°C
VSS
FILT
V
V
SS
SS
)
)
C1
C2
VSS
R
C1
Q
VSS
X1
X2
C2
Min
Typ
10
10
5
AT89C5132
Max
50
20
40
6
MHz
Unit
μW
pF
pF
pF
pF
Ω
17