PIC16F688-I/STG Microchip Technology, PIC16F688-I/STG Datasheet - Page 69

• Manufacturer Part Number: PIC16F688-I/STG
• Description: IC PIC MCU FLASH 4KX14 14TSSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F688-I/STG

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: UART/USART
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 12
• Program Memory Size: 7KB (4K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 14-TSSOP
• For Use With: XLT14SS-1 - SOCKET TRANSITION 14DIP/14SSOPAC162061 - HEADER INTRFC MPLAB ICD2 20PINAC162056 - HEADER INTERFACE ICD2 16F688
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TABLE 8-1:
FIGURE 8-2:
© 2009 Microchip Technology Inc.
Legend: Shaded cells are outside of recommended range.
Note 1:
ADC Clock Source
F
F
F
2:
3:
4:
F
F
F
OSC
OSC
OSC
OSC
OSC
OSC
F
ADC Clock Period (T
RC
The F
These values violate the minimum required T
For faster conversion times, the selection of another clock source is recommended.
When the device frequency is greater than 1 MHz, the F
conversion will be performed during Sleep.
/16
/32
/64
T
/2
/4
/8
CY
Set GO/DONE bit
Holding Capacitor is Disconnected from Analog Input (typically 100 ns)
to T
RC
ADC CLOCK PERIOD (T
AD
source has a typical T
Conversion Starts
ANALOG-TO-DIGITAL CONVERSION T
T
AD
1 T
ADCS<2:0>
AD
b9
AD
000
100
001
101
010
110
x11
2 T
)
AD
b8
3 T
AD
AD
b7
time of 4 μs for V
AD
4 T
) V
2-6 μs
100 ns
200 ns
400 ns
800 ns
20 MHz
AD
1.6 μs
3.2 μs
b6
S
5 T
. DEVICE OPERATING FREQUENCIES (VDD > 3.0V)
(1,4)
AD
(2)
(2)
(2)
(2)
AD
b5
time.
6 T
DD
ADRESH and ADRESL registers are loaded,
GO bit is cleared,
ADIF bit is set,
Holding capacitor is connected to analog input
AD
b4
> 3.0V.
7 T
2-6 μs
RC
250 ns
500 ns
Device Frequency (F
1.0 μs
8.0 μs
AD
8 MHz
2.0 μs
4.0 μs
clock source is only recommended if the
AD
b3
CYCLES
(1,4)
8 T
(2)
(3)
(2)
(2)
AD
b2
9
T
AD
b1
2-6 μs
16.0 μs
500 ns
1.0 μs
8.0 μs
10 T
4 MHz
2.0 μs
4.0 μs
PIC16F688
OSC
AD
b0
(1,4)
(2)
(3)
(2)
(3)
11
)
DS41203E-page 67
2-6 μs
16.0 μs
32.0 μs
64.0 μs
8.0 μs
1 MHz
2.0 μs
4.0 μs
(1,4)
(3)
(3)
(3)
(3)