PIC18C452-E/PT Microchip Technology, PIC18C452-E/PT Datasheet - Page 95
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PIC18C452-E/PT
Manufacturer Part Number
PIC18C452-E/PT
Description
IC MCU OTP 16KX16 A/D 44TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Cr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC16C770-ISO.pdf
(8 pages)
3.PIC18C242-ISO.pdf
(305 pages)
4.PIC18C242-ISO.pdf
(12 pages)
Specifications of PIC18C452-E/PT
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
33
Program Memory Size
32KB (16K x 16)
Program Memory Type
OTP
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Other names
PIC18C452E/PT
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18C452-E/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC16C770-ISO PDF datasheet #2
- PIC18C242-ISO PDF datasheet #3
- PIC18C242-ISO PDF datasheet #4
- Current page: 95 of 305
- Download datasheet (6Mb)
9.0
The Timer0 module has the following features:
• Software selectable as an 8-bit or 16-bit timer/
• Readable and writable
• Dedicated 8-bit software programmable prescaler
• Clock source selectable to be external or internal
• Interrupt-on-overflow from FFh to 00h in 8-bit
• Edge select for external clock
REGISTER 9-1:
counter
mode and FFFFh to 0000h in 16-bit mode
2001 Microchip Technology Inc.
TIMER0 MODULE
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2:0
bit 7
T0CON: TIMER0 CONTROL REGISTER
TMR0ON: Timer0 On/Off Control bit
1 = Enables Timer0
0 = Stops Timer0
T08BIT: Timer0 8-bit/16-bit Control bit
1 = Timer0 is configured as an 8-bit timer/counter
0 = Timer0 is configured as a 16-bit timer/counter
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: Timer0 Prescaler Assignment bit
1 = TImer0 prescaler is NOT assigned. Timer0 clock input bypasses prescaler.
0 = Timer0 prescaler is assigned. Timer0 clock input comes from prescaler output.
T0PS2:T0PS0: Timer0 Prescaler Select bits
111 = 1:256 prescale value
110 = 1:128 prescale value
101 = 1:64 prescale value
100 = 1:32 prescale value
011 = 1:16 prescale value
010 = 1:8 prescale value
001 = 1:4 prescale value
000 = 1:2 prescale value
TMR0ON
Legend:
R = Readable bit
- n = Value at POR reset
R/W-1
T08BIT
R/W-1
R/W-1
T0CS
W = Writable bit
’1’ = Bit is set
R/W-1
Figure 9-1 shows a simplified block diagram of the
Timer0 module in 8-bit mode and Figure 9-2 shows a
simplified block diagram of the Timer0 module in 16-bit
mode.
The T0CON register (Register 9-1) is a readable and
writable register that controls all the aspects of Timer0,
including the prescale selection.
T0SE
U = Unimplemented bit, read as ‘0’
’0’ = Bit is cleared
R/W-1
PSA
T0PS2
R/W-1
PIC18CXX2
x = Bit is unknown
T0PS1
R/W-1
DS39206C-page 93
T0PS0
R/W-1
bit 0
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