PIC16C554-20E/SO Microchip Technology, PIC16C554-20E/SO Datasheet - Page 52

• Manufacturer Part Number: PIC16C554-20E/SO
• Description: IC MCU OTP 512X14 18SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C554-20E/SO

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: POR, WDT
• Number Of I /o: 13
• Program Memory Size: 896B (512 x 14)
• Program Memory Type: OTP
• Ram Size: 80 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 18-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Connectivity: -

PIC16C55X
FIGURE 7-6:
DS40143D-page 50
CLKOUT (=Fosc/4)
WDT Enable bit
Note 1: T0SE, T0CS, PSA, PS0-PS2 are bits in the OPTION register.
T0CKI
Watchdog
pin
Timer
T0SE
BLOCK DIAGRAM OF THE TIMER0/WDT PRESCALER
0
1
PSA
M
U
X
0
1
T0CS
M
U
X
8-bit Prescaler
0
Timeout
8-to-1MUX
M U X
WDT
8
Preliminary
1
1
0
PSA
M
U
X
PSA
PS0 - PS2
SYNC
Tcy
2
 2002 Microchip Technology Inc.
TMR0 reg
Data Bus
8
Set flag bit T0IF
on Overflow