PIC24HJ128GP510-I/PT Microchip Technology Inc., PIC24HJ128GP510-I/PT Datasheet - Page 123

• Manufacturer Part Number: PIC24HJ128GP510-I/PT
• Description: MCU, 16-Bit, 128KB Flash, 8KB RAM, 85 I/O, TQFP-100
• Manufacturer: Microchip Technology Inc.

Specifications of PIC24HJ128GP510-I/PT

• A/d Inputs: 32 Channel, 12-Bit
• Cpu Speed: 40 MIPS
• Eeprom Memory: 0 Bytes
• Input Output: 85
• Interface: CAN/I2C/SPI/UART
• Memory Type: Flash
• Number Of Bits: 16
• Number Of Inputs: 85
• Number Of Pins: 100
• Package Type: 100-pin TQFP
• Programmable Memory: 128K Bytes
• Ram Size: 8K Bytes
• Speed: 40 MIPS
• Timers: 9-16-bit, 4-32-bit
• Voltage, Range: 3-3.6 V
• Voltage, Rating: 3-3.6 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

For example, suppose a 10 MHz crystal is being used,
with “XT with PLL” being the selected oscillator mode.
If PLLPRE<4:0> = 0, then N1 = 2. This yields a VCO
input of 10/2 = 5 MHz, which is within the acceptable
range of 0.8-8 MHz. If PLLDIV<8:0> = 0x1E, then
M = 32. This yields a VCO output of 5 x 32 = 160 MHz,
which is within the 100-200 MHz ranged needed.
If PLLPOST<1:0> = 0, then N2 = 2. This provides a
Fosc of 160/2 = 80 MHz. The resultant device operating
speed is 80/2 = 40 MIPS.
FIGURE 8-2:
TABLE 8-1:
© 2007 Microchip Technology Inc.
Fast RC Oscillator with Divide-by-N
(FRCDIVN)
Fast RC Oscillator with Divide-by-16
(FRCDIV16)
Low-Power RC Oscillator (LPRC)
Secondary (Timer1) Oscillator (SOSC)
Primary Oscillator (HS) with PLL
(HSPLL)
Primary Oscillator (XT) with PLL
(XTPLL)
Primary Oscillator (EC) with PLL
(ECPLL)
Primary Oscillator (HS)
Primary Oscillator (XT)
Primary Oscillator (EC)
Fast RC Oscillator with PLL (FRCPLL)
Fast RC Oscillator (FRC)
Note 1:
Source (Crystal, External
Clock or Internal RC)
2:
Oscillator Mode
OSC2 pin function is determined by the OSCIOFNC Configuration bit.
This is the default oscillator mode for an unprogrammed (erased) device.
CONFIGURATION BIT VALUES FOR CLOCK SELECTION
1.6-16.0 MHz
PIC24HJXXXGPX06/X08/X10 PLL BLOCK DIAGRAM
Here
PLLPRE
0.8-8.0 MHz
Oscillator Source
Divide by
PIC24HJXXXGPX06/X08/X10
2-33
Here
Secondary
Primary
Primary
Primary
Primary
Primary
Primary
Internal
Internal
Internal
Internal
Internal
X
Divide by
EQUATION 8-3:
PLLDIV
2-513
VCO
POSCMD<1:0>
F
CY
100-200 MHz
=
xx
xx
xx
xx
10
01
00
10
01
00
xx
xx
F
Here
OSC
2
=
1
2
PLLPOST
Divide by
(
2, 4, 8
10000000*32
XT WITH PLL MODE
EXAMPLE
FNOSC<2:0>
2*2
12.5-80 MHz
111
110
101
100
011
011
011
010
010
010
001
000
)
Here
DS70175F-page 121
= 40 MIPS
F
Note
OSC
1, 2
1
1
1
1
1
1
1