PIC17C756-16/SP Microchip Technology, PIC17C756-16/SP Datasheet - Page 16

• Manufacturer Part Number: PIC17C756-16/SP
• Description: MICRO CTRL 16K MEMORY OTP 64SDIP
• Manufacturer: Microchip Technology
• Series: PIC® 17Cr

Specifications of PIC17C756-16/SP

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 50
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: OTP
• Ram Size: 902 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 6 V
• Data Converters: A/D 12x10b
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 64-SDIP (0.750", 19.05mm)
• Lead Free Status / RoHS Status: Request inventory verification / Request inventory verification
• Eeprom Size: -
• Other names: PIC17C756-16/P

FIGURE 4-2:
TABLE 4-1:
DS30264A-page 16
Higher capacitance increases the stability of the oscillator
but also increases the start-up time. These values are for
design guidance only. Since each resonator has its own
characteristics, the user should consult the resonator manu-
facturer for appropriate values of external components.
Note 1: These values include all board capaci-
Resonators Used:
455 kHz
2.0 MHz
4.0 MHz
8.0 MHz
16.0 MHz Murata Erie CSA16.00MX
Oscillator
See Table 4-1 and Table 4-2 for recommended values of
C1 and C2.
Note 1: A series resistor (Rs) may be required for
Type
Resonators used did not have built-in capacitors.
XT
LF
tances on this pin. Actual capacitor value
depends on board capacitance
C1
C2
AT strip cut crystals.
Panasonic EFO-A455K04B
Murata Erie CSA2.00MG
Murata Erie CSA4.00MG
Murata Erie CSA8.00MT
Note1
XTAL
Frequency
Resonator
CRYSTAL OR CERAMIC
RESONATOR OPERATION (XT
OR LF OSC CONFIGURATION)
CAPACITOR SELECTION
FOR CERAMIC
RESONATORS
16.0 MHz
455 kHz
2.0 MHz
4.0 MHz
8.0 MHz
OSC1
OSC2
PIC17CXXX
RF
Capacitor Range
33 - 100 pF
33 - 100 pF
C1 = C2
15 - 68 pF
10 - 33 pF
22 - 68 pF
SLEEP
To internal
logic
(1)
0.3%
0.5%
0.5%
0.5%
0.5%
Preliminary
FIGURE 4-3:
TABLE 4-2:
Higher capacitance increases the stability of the oscillator
but also increases the start-up time and the oscillator cur-
rent. These values are for design guidance only. R
required in XT mode to avoid overdriving the crystals with
low drive level specification. Since each crystal has its own
characteristics, the user should consult the crystal manufac-
turer for appropriate values for external components.
Note 1: For V
Crystals Used:
32.768 kHz
1.0 MHz
2.0 MHz
4.0 MHz
8.0 MHz
16.0 MHz
25 MHz
32 MHz
Type
Osc
XT
LF
C2
C1
0.1 F
To filter the fundamental frequency
Where f = tank circuit resonant frequency. This should be
midway between the fundamental and the 3rd overtone
frequencies of the crystal.
2: R
3: These values include all board capaci-
LC2
1
mended.
bination of 15/15 pF.
tances on this pin. Actual capacitor value
depends on board capacitance
32 MHz
S
32 kHz
8 MHz
16 MHz
25 MHz
= (2 f)
1 MHz
2 MHz
2 MHz
4 MHz
of 330 is required for a capacitor com-
Freq
Epson C-001R32.768K-A
ECS-10-13-1
ECS-20-20-1
ECS-40-20-1
ECS ECS-80-S-4
ECS-80-18-1
ECS-160-20-1
CTS CTS25M
CRYSTEK HF-2
DD
CRYSTAL OPERATION,
OVERTONE CRYSTALS (XT
OSC CONFIGURATION)
CAPACITOR SELECTION FOR
CRYSTAL OSCILLATOR
OSC1
OSC2
2
> 4.5V, C1 = C2 30 pF is recom-
(1)
(2)
(3)
100-150 pF
47-100 pF
10-33 pF
10-33 pF
15-68 pF
15-47 pF
15-47 pF
1997 Microchip Technology Inc.
C1
TBD
10
PIC17CXXX
(3)
100-150 pF
47-100 pF
10-33 pF
10-33 pF
15-68 pF
15-47 pF
15-47 pF
C2
TBD
TBD
10
SLEEP
S
20 PPM
50 PPM
50 PPM
50 PPM
50 PPM
50 PPM
50 PPM
(3)
may be