PIC16C55-XTI/SS Microchip Technology, PIC16C55-XTI/SS Datasheet - Page 22

• Manufacturer Part Number: PIC16C55-XTI/SS
• Description: IC MCU OTP 512X12 28SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C55-XTI/SS

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 4MHz
• Peripherals: POR, WDT
• Number Of I /o: 20
• Program Memory Size: 768B (512 x 12)
• Program Memory Type: OTP
• Ram Size: 24 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 6.25 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SSOP
• For Use With: 309-1026 - ADAPTER 28-SSOP TO 28-DIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Connectivity: -

PIC16C5X
TABLE 5-3:
FIGURE 5-1:
DS30453D-page 20
W
TRIS
OPTION
INDF
TMR0
PCL
STATUS
FSR
PORTA
PORTB
PORTC
General Purpose Register Files
Legend:
Note 1: These values are valid for PIC16C57/CR57/C58/CR58. For the PIC16C54/CR54/C55/C56/CR56, the
MCLR/V
(1)
V
2: General purpose register file on PIC16C54/CR54/C56/CR56/C58/CR58.
DD
(2)
value on RESET is 111x xxxx and for MCLR and WDT Reset, the value is 111u uuuu.
PP
x = unknown
q = see tables in Table 5-1 for possible values.
pin
RESET CONDITIONS FOR ALL REGISTERS
Register
SIMPLIFIED BLOCK DIAGRAM OF ON-CHIP RESET CIRCUIT
RC OSC
On-Chip
WDT
Power-Up
Detect
u = unchanged
POR (Power-On Reset)
Address
07-7Fh
Preliminary
N/A
N/A
N/A
00h
01h
02h
03h
04h
05h
06h
07h
WDT Time-out
- = unimplemented, read as ’0’
Ripple Counter
(Device Reset
8-bit Asynch
Timer)
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
R
S
2002 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
CHIP RESET