PIC16F627-04/SO Microchip Technology Inc., PIC16F627-04/SO Datasheet - Page 33

• Manufacturer Part Number: PIC16F627-04/SO
• Description: 18 PIN, 1.75 KB FLASH, 224 RAM, 16 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F627-04/SO

• Comparators: 2
• Cpu Speed: 5 MIPS
• Eeprom Memory: 128 Bytes
• Input Output: 16
• Interface: SCI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 18-pin SOIC
• Programmable Memory: 1.75K Bytes
• Ram Size: 224 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

FIGURE 5-4:
FIGURE 5-5:
 2003 Microchip Technology Inc.
MCLR
Program
RD
TRISA
RD
PORTA
circuit
mode
Data
Bus
WR
PORTA
WR
TRISA
RD PORTA
TMR0 Clock Input
Data
Bus
MCLRE
MCLR Filter
TRIS Latch
D
Data Latch
D
HV Detect
CK
CK
RD TRISA
Q
V
BLOCK DIAGRAM OF RA4/T0CKI PIN
BLOCK DIAGRAM OF THE
RA5/MCLR/V
SS
Q
Q
Q
Q
EN
Schmitt Trigger
D
Input Buffer
Comparator Output
PP
V
SS
RA5/MCLR/V
PIN
Comparator Mode = 110
Preliminary
PP
FIGURE 5-6:
From OSC1
CLKOUT(F
WR
PORTA
(F
101, 111)
WR
TRISA
RD
TRISA
RD PORTA
Note
F
100, 110
1
0
OSC
OSC
=
=
1:
2:
(2)
(1)
Q
OSC
TRIS Latch
D
D
Data Latch
INTRC with RA6 = I/O or ER with RA6 = I/O.
INTRC with RA6 = CLKOUT or ER with RA6 = CLK-
OUT.
CK
CK
/4)
EN
Q
Q
Q
Q
D
Schmitt Trigger
BLOCK DIAGRAM OF
RA6/OSC2/CLKOUT PIN
Input Buffer
Q
1
0
PIC16F62X
Vss
N
EN
D
OSC
Circuit
DS40300C-page 31
V
Vss
DD
RA4 Pin
Schmitt
Trigger
Input Buffer
V
V
DD
SS