PIC16C54B-20/SO Microchip Technology, PIC16C54B-20/SO Datasheet - Page 36

• Manufacturer Part Number: PIC16C54B-20/SO
• Description: MICRO CTRL 512 20MHZ OTP 18SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C54B-20/SO

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: POR, WDT
• Number Of I /o: 12
• Program Memory Size: 768B (512 x 12)
• Program Memory Type: OTP
• Ram Size: 25 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 18-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Request inventory verification / Request inventory verification
• Eeprom Size: -
• Data Converters: -
• Connectivity: -

PIC16C5X
TABLE 7-3:
TABLE 7-4:
FIGURE 7-8:
DS30453B-page 36
Power-On Reset
MCLR reset (normal operation)
MCLR wake-up (from SLEEP)
WDT reset (normal operation)
WDT wake-up (from SLEEP)
Legend: u = unchanged, x = unknown, - = unimplemented read as '0'.
Note 1: TO and PD bits retain their last value until one of the other reset conditions occur.
Register
W
TRIS
OPTION
INDF
TMR0
PCL
STATUS
FSR
PORTA
PORTB
PORTC
General Purpose Register Files
Legend: u = unchanged, x = unknown, - = unimplemented, read as '0',
Note 1: See Table 7-3 for reset value for specific conditions.
MCLR/V
2: The CLRWDT instruction will set the TO and PD bits.
(1)
V
2: General purpose register file on PIC16C52/C54s/CR54s/C56s/CR56s/C58s/CR58s
DD
(2)
(1)
q = see tables in Section 7.7 for possible values.
PP
pin
RESET CONDITIONS FOR SPECIAL REGISTERS
RESET CONDITIONS FOR ALL REGISTERS
SIMPLIFIED BLOCK DIAGRAM OF ON-CHIP RESET CIRCUIT
RC OSC
On-Chip
Condition
WDT
Power-Up
Detect
POR (Power-On Reset)
Address
07-7Fh
N/A
N/A
N/A
00h
01h
02h
03h
04h
05h
06h
07h
Preliminary
WDT Time-out
(Start-Up Timer)
Ripple Counter
8-bit Asynch
Power-On Reset
RESET
xxxx xxxx
1111 1111
--11 1111
xxxx xxxx
xxxx xxxx
1111 1111
0001 1xxx
1xxx xxxx
---- xxxx
xxxx xxxx
xxxx xxxx
xxxx xxxx
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
Addr: 02h
PCL
S
R
1998 Microchip Technology Inc.
MCLR or WDT Reset
uuuu uuuu
1111 1111
--11 1111
uuuu uuuu
uuuu uuuu
1111 1111
000q quuu
1uuu uuuu
---- uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
Q
Q
0001 1xxx
000u uuuu
0001 0uuu
0000 uuuu
0000 0uuu
Addr: 03h
STATUS
CHIP RESET
(1)
(2)