PIC16C558-20/SS Microchip Technology, PIC16C558-20/SS Datasheet - Page 39

• Manufacturer Part Number: PIC16C558-20/SS
• Description: IC MCU OTP 2KX14 20SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C558-20/SS

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: POR, WDT
• Number Of I /o: 13
• Program Memory Size: 3.5KB (2K x 14)
• Program Memory Type: OTP
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Connectivity: -
• Other names: Q575787

6.4.5
Bit1 is POR (Power-on Reset). It is a ‘0’ on Power-on
Reset and unaffected otherwise. The user must write a
‘1’ to this bit following a Power-on Reset. On a subse-
quent RESET if POR is ‘0’, it will indicate that a Power-
on Reset must have occurred (V
low).
TABLE 6-3:
TABLE 6-4:
 2002 Microchip Technology Inc.
XT, HS, LP
RC
POR
0
0
0
1
1
1
1
Configuration
Oscillator
POWER CONTROL/STATUS
REGISTER (PCON)
TO
1
0
X
0
0
u
1
TIMEOUT IN VARIOUS SITUATIONS
STATUS BITS AND THEIR SIGNIFICANCE
PD
1
X
0
u
0
u
0
DD
72 ms + 1024 T
may have gone too
Power-on Reset
Illegal, TO is set on POR
Illegal, PD is set on POR
WDT Reset
WDT Wake-up
MCLR Reset during normal operation
MCLR Reset during SLEEP
PWRTE = 0
72 ms
OSC
Preliminary
Power-up
PWRTE = 1
1024 T
—
OSC
PIC16C55X
Wake-up from
DS40143D-page 37
1024 T
SLEEP
—
OSC