PIC16F628AT-E/SS Microchip Technology, PIC16F628AT-E/SS Datasheet - Page 55

• Manufacturer Part Number: PIC16F628AT-E/SS
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,SSOP,20PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F628AT-E/SS

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 16
• Program Memory Size: 3.5KB (2K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 224 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: I3DBF648 - BOARD DAUGHTER ICEPIC3AC162053 - HEADER INTERFACE ICD,ICD2 18DIP
• Data Converters: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

REGISTER 8-1:
TABLE 8-1:
© 2009 Microchip Technology Inc.
0Bh, 8Bh,
10Bh, 18Bh
0Ch
8Ch
11h
12h
92h
Legend:
Address
bit 7
bit 6-3
bit 2
bit 1-0
INTCON
PIR1
PIE1
TMR2
T2CON
PR2
Name
x = unknown, u = unchanged, - = unimplemented read as ‘0’. Shaded cells are not used by the Timer2 module.
REGISTERS ASSOCIATED WITH TIMER2 AS A TIMER/COUNTER
bit 7
Unimplemented: Read as ‘0’
TOUTPS<3:0>: Timer2 Output Postscale Select bits
0000 = 1:1 Postscale Value
0001 = 1:2 Postscale Value
•
•
•
1111 = 1:16 Postscale
TMR2ON: Timer2 On bit
1 = Timer2 is on
0 = Timer2 is off
T2CKPS<1:0>: Timer2 Clock Prescale Select bits
00 = 1:1 Prescaler Value
01 = 1:4 Prescaler Value
1x = 1:16 Prescaler Value
Legend:
R = Readable bit
-n = Value at POR
Timer2 Module’s Register
Timer2 Period Register
Bit 7
EEIF
EEIE
GIE
T2CON – TIMER2 CONTROL REGISTER (ADDRESS: 12h)
U-0
—
—
TOUTPS3 TOUTPS2 TOUTPS1 TOUTPS0 TMR2ON T2CKPS1 T2CKPS0 -000 0000 -000 0000
TOUTPS3 TOUTPS2 TOUTPS1
CMIE
CMIF
Bit 6
PEIE
R/W-0
RCIF
RCIE
Bit 5
T0IE
R/W-0
W = Writable bit
‘1’ = Bit is set
Bit 4
INTE
TXIF
TXIE
PIC16F627A/628A/648A
R/W-0
RBIE
Bit 3
—
—
CCP1IF
CCP1IE
TOUTPS0
Bit 2
T0IF
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R/W-0
TMR2IF
TMR2IE
INTF
Bit 1
TMR2ON T2CKPS1 T2CKPS0
R/W-0
TMR1IF
TMR1IE
RBIF
Bit 0
x = Bit is unknown
0000 000x 0000 000u
0000 -000 0000 -000
0000 -000 0000 -000
0000 0000 0000 0000
1111 1111 1111 1111
R/W-0
Value on
POR
DS40044G-page 55
R/W-0
Value on
all other
Resets
bit 0