PIC16F688-E/ST Microchip Technology, PIC16F688-E/ST Datasheet - Page 123

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PIC16F688-E/ST

Manufacturer Part Number
PIC16F688-E/ST
Description
IC MCU FLASH 4KX14 14TSSOP
Manufacturer
Microchip Technology
Series
PIC® 16Fr

Specifications of PIC16F688-E/ST

Program Memory Type
FLASH
Program Memory Size
7KB (4K x 14)
Package / Case
14-TSSOP
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
UART/USART
Peripherals
Brown-out Detect/Reset, POR, WDT
Number Of I /o
12
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 ~ 125°C
Processor Series
PIC16F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
SCI/USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
12
Number Of Timers
2
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163014, DM164120-4
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
Data Rom Size
256 B
Height
0.9 mm
Length
5 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2 V
Width
4.4 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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
FIGURE 11-8:
TABLE 11-6:
© 2009 Microchip Technology Inc.
INTCON
PIE1
PIR1
Legend:
Instruction Flow
Note 1:
GIE bit
(INTCON<7>)
INTF Flag
(INTCON<1>)
CLKOUT
Name
INT pin
OSC1
Instruction
Executed
Instruction
Fetched
PC
2:
3:
4:
5:
x = unknown, u = unchanged, — = unimplemented read as ‘0’, q = value depends upon condition.
Shaded cells are not used by the Interrupt module.
(3)
INTF flag is sampled here (every Q1).
Asynchronous interrupt latency = 3-4 T
Latency is the same whether Inst (PC) is a single cycle or a two-cycle instruction.
CLKOUT is available only in INTOSC and RC Oscillator modes.
For minimum width of INT pulse, refer to AC specifications in Section 14.0 “Electrical Specifications”.
INTF is enabled to be set any time during the Q4-Q1 cycles.
Bit 7
EEIE
EEIF
GIE
SUMMARY OF REGISTERS ASSOCIATED WITH INTERRUPTS
Q1
Inst (PC - 1)
Inst (PC)
(1)
INT PIN INTERRUPT TIMING
Q2
PC
ADIE
PEIE
ADIF
Bit 6
Q3
(4)
Q4
(5)
RCIE
RCIF
Bit 5
T0IE
Q1
Inst (PC + 1)
Inst (PC)
Q2
(1)
INTE
C2IE
Bit 4
C2IF
PC + 1
CY
Q3
. Synchronous latency = 3 T
Q4
RAIE
C1IE
Bit 3
C1IF
Interrupt Latency
Q1
Dummy Cycle
Q2
OSFIE
OSFIF
PC + 1
Bit 2
T0IF
Q3
Q4
(2)
Bit 1
INTF
TXIE
TXIF
CY
, where T
Q1
Dummy Cycle
Inst (0004h)
TMR1IE
Q2
TMR1IF
0004h
Bit 0
RAIF
CY
Q3
= instruction cycle time.
PIC16F688
Q4
0000 000x
0000 0000
0000 0000
POR, BOR
Value on
Q1
DS41203E-page 121
Inst (0005h)
Q2
Inst (0004h)
0005h
0000 000x
0000 0000
0000 0000
Q3
Value on
all other
Resets
Q4

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