PIC16C56A-20E/SS Microchip Technology, PIC16C56A-20E/SS Datasheet - Page 32
![IC MCU OTP 1KX12 20SSOP](/photos/6/58/65895/150-20-ssop_sml.jpg)
PIC16C56A-20E/SS
Manufacturer Part Number
PIC16C56A-20E/SS
Description
IC MCU OTP 1KX12 20SSOP
Manufacturer
Microchip Technology
Series
PIC® 16Cr
Specifications of PIC16C56A-20E/SS
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Peripherals
POR, WDT
Number Of I /o
12
Program Memory Size
1.5KB (1K 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
-40°C ~ 125°C
Package / Case
20-SSOP
For Use With
309-1016 - ADAPTER 20-SSOP TO 18-DIP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Connectivity
-
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PIC16C5X
6.4
The OPTION Register is a 6-bit wide, write-only regis-
ter which contains various control bits to configure the
Timer0/WDT prescaler and Timer0.
By executing the OPTION instruction, the contents of
the W Register will be transferred to the OPTION Reg-
ister. A RESET sets the OPTION<5:0> bits.
REGISTER 6-2:
DS30453D-page 30
bit 7-6:
bit 5:
bit 4:
bit 3:
bit 2-0:
Legend:
R = Readable bit
-n = Value at POR
OPTION Register
Unimplemented: Read as ‘0’
T0CS: Timer0 clock source select bit
1 = Transition on T0CKI pin
0 = Internal instruction cycle clock (CLKOUT)
T0SE: Timer0 source edge select bit
1 = Increment on high-to-low transition on T0CKI pin
0 = Increment on low-to-high transition on T0CKI pin
PSA: Prescaler assignment bit
1 = Prescaler assigned to the WDT
0 = Prescaler assigned to Timer0
PS<2:0>: Prescaler rate select bits
bit 7
U-0
—
OPTION REGISTER
Bit Value
000
001
010
011
100
101
110
111
U-0
—
Timer0 Rate
W = Writable bit
1 = bit is set
1 : 2
1 : 4
1 : 8
1 : 16
1 : 32
1 : 64
1 : 128
1 : 256
T0CS
W-1
WDT Rate
1 : 1
1 : 2
1 : 4
1 : 8
1 : 16
1 : 32
1 : 64
1 : 128
Preliminary
TOSE
W-1
U = Unimplemented bit, read as ‘0’
0 = bit is cleared
PSA
W-1
PS2
W-1
2002 Microchip Technology Inc.
x = bit is unknown
W-1
PS1
W-1
PS0
bit 0
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