PIC16F690-E/P Microchip Technology Inc., PIC16F690-E/P Datasheet - Page 94

• Manufacturer Part Number: PIC16F690-E/P
• Description: 20 PIN, 7 KB FLASH, 256 RAM, 18 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F690-E/P

• A/d Inputs: 12-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 7 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 18
• Interface: USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 20-pin PDIP
• Programmable Memory: 7K Bytes
• Ram Size: 256 Bytes
• Speed: 20 MHz
• Timers: 2-8-bit, 1-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

PIC16F631/677/685/687/689/690
REGISTER 7-1:
TABLE 7-1:
DS41262C-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
ADIE
Bit 6
PEIE
ADIF
T2CON: TIMER 2 CONTROL REGISTER
TOUTPS2
RCIE
RCIF
W = Writable bit
‘1’ = Bit is set
Bit 5
T0IE
TOUTPS2
R/W-0
TOUTPS1
INTE
TXIE
Bit 4
TXIF
TOUTPS1
R/W-0
TOUTPS0
Preliminary
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
© 2006 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