PIC16F689-E/ML Microchip Technology, PIC16F689-E/ML Datasheet - Page 94

• Manufacturer Part Number: PIC16F689-E/ML
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,LLCC,20PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F689-E/ML

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 18
• 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 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 20-VQFN Exposed Pad, 20-HVQFN, 20-SQFN, 20-DHVQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164324 - MODULE SKT FOR MPLAB 8DFN/16QFNAC162061 - HEADER INTRFC MPLAB ICD2 20PIN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC16F631/677/685/687/689/690
REGISTER 7-1:
TABLE 7-1:
DS41262E-page 92
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6-3
bit 2
bit 1-0
Note 1:
INTCON
PIE1
PIR1
PR2
TMR2
T2CON
Legend:
Note
Name
U-0
—
1:
Timer2 Module Period Register
Holding Register for the 8-bit TMR2 Register
Bit 7
GIE
PIC16F685/PIC16F690 only.
x = unknown, u = unchanged, — = unimplemented read as ‘0’. Shaded cells are not used for Timer2 module.
PIC16F685/PIC16F690 only.
—
—
—
Unimplemented: Read as ‘0’
TOUTPS<3:0>: Timer2 Output Postscaler Select bits
0000 = 1:1 Postscaler
0001 = 1:2 Postscaler
0010 = 1:3 Postscaler
0011 = 1:4 Postscaler
0100 = 1:5 Postscaler
0101 = 1:6 Postscaler
0110 = 1:7 Postscaler
0111 = 1:8 Postscaler
1000 = 1:9 Postscaler
1001 = 1:10 Postscaler
1010 = 1:11 Postscaler
1011 = 1:12 Postscaler
1100 = 1:13 Postscaler
1101 = 1:14 Postscaler
1110 = 1:15 Postscaler
1111 = 1:16 Postscaler
TMR2ON: Timer2 On bit
1 = Timer2 is on
0 = Timer2 is off
T2CKPS<1:0>: Timer2 Clock Prescale Select bits
00 = Prescaler is 1
01 = Prescaler is 4
1x = Prescaler is 16
TOUTPS3
SUMMARY OF ASSOCIATED TIMER2
TOUTPS3
R/W-0
PEIE
ADIE
ADIF
Bit 6
T2CON: TIMER 2 CONTROL REGISTER
TOUTPS2
RCIE
W = Writable bit
‘1’ = Bit is set
Bit 5
RCIF
T0IE
TOUTPS2
R/W-0
TOUTPS1
INTE
Bit 4
TXIE
TXIF
TOUTPS1
R/W-0
TOUTPS0
RABIE
SSPIE
SSPIF
Bit 3
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
TMR2ON
TOUTPS0
CCP1IE
CCP1IF
(1)
Bit 2
T0IF
R/W-0
REGISTERS
(1)
T2CKPS1
TMR2IE
TMR2IF
INTF
Bit 1
TMR2ON
R/W-0
T2CKPS0
TMR1IE
TMR1IF
RABIF
Bit 0
© 2008 Microchip Technology Inc.
x = Bit is unknown
T2CKPS1
R/W-0
0000 000x
-000 0000
-000 0000
1111 1111
0000 0000
-000 0000
POR, BOR
Value on
T2CKPS0
0000 000x
-000 0000
-000 0000
1111 1111
0000 0000
-000 0000
R/W-0
Value on
all other
Resets
bit 0