PIC16C923-04I/CL Microchip Technology, PIC16C923-04I/CL Datasheet - Page 48
PIC16C923-04I/CL
Manufacturer Part Number
PIC16C923-04I/CL
Description
8-Bit CMOS Microcontroller with LCD Driver
Manufacturer
Microchip Technology
Datasheet
1.PIC16C923-04ICL.pdf
(189 pages)
- Current page: 48 of 189
- Download datasheet (2Mb)
PIC16C9XX
7.3
An 8-bit counter is available as a prescaler for the
Timer0 module, or as a postscaler for the Watchdog
Timer (Figure 7-6). For simplicity, this counter is being
referred to as “prescaler” throughout this data sheet.
Note that the prescaler may be used by either the
Timer0 module or the WDT but not both. Thus, a pres-
caler assignment for the Timer0 module means that
there is no prescaler for the Watchdog Timer, and
vice-versa.
The PSA and PS2:PS0 bits (OPTION<3:0>) determine
the prescaler assignment and prescale ratio.
FIGURE 7-6: BLOCK DIAGRAM OF THE TIMER0/WDT PRESCALER
DS30444E - page 48
RA4/T0CKI
CLKOUT (=Fosc/4)
WDT Enable bit
pin
Watchdog
Timer
Prescaler
Note: T0CS, T0SE, PSA, PS2:PS0 are (OPTION<5:0>).
T0SE
0
1
PSA
M
U
X
0
1
T0CS
M
U
X
0
8-bit Prescaler
8 - to - 1MUX
Time-out
8
M U X
WDT
1
0
1
PSA
M
U
X
When assigned to the Timer0 module, all instructions
writing to the TMR0 register (e.g. CLRF 1, MOVWF 1,
BSF 1,x....etc.) will clear the prescaler count. When
assigned to WDT, a CLRWDT instruction will clear the
prescaler count along with the Watchdog Timer. The
prescaler is not readable or writable.
Note:
PSA
PS2:PS0
Cycles
SYNC
Writing to TMR0 when the prescaler is
assigned to Timer0 will clear the prescaler
count, but will not change the prescaler
assignment.
2
1997 Microchip Technology Inc.
TMR0 reg
Data Bus
8
Set flag bit T0IF
on Overflow
Related parts for PIC16C923-04I/CL
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
IC MCU OTP 4KX14 LCD DVR 68PLCC
Manufacturer:
Microchip Technology
Datasheet:
Part Number:
Description:
IC MCU OTP 4KX14 LCD DVR 68PLCC
Manufacturer:
Microchip Technology
Datasheet:
Part Number:
Description:
IC MICRO CTRL LCD DRIVER 64DIP
Manufacturer:
Microchip Technology
Datasheet:
Part Number:
Description:
IC MCU 64 LD 4MHZ 4K OTP 64-SDIP
Manufacturer:
Microchip Technology
Datasheet:
Part Number:
Description:
IC MCU OTP 4KX14 LCD DVR 64TQFP
Manufacturer:
Microchip Technology
Datasheet:
Part Number:
Description:
IC MCU OTP 4KX14 LCD DVR 64TQFP
Manufacturer:
Microchip Technology
Datasheet:
Part Number:
Description:
IC MCU OTP 4KX14 LCD DVR 64TQFP
Manufacturer:
Microchip Technology
Datasheet:
Part Number:
Description:
IC MCU OTP 4KX14 LCD DVR 68PLCC
Manufacturer:
Microchip Technology
Datasheet:
Part Number:
Description:
IC MCU OTP 4KX14 LCD DVR 64TQFP
Manufacturer:
Microchip Technology
Datasheet:
Part Number:
Description:
IC MCU 64 LD 8MHZ 4K OTP 64-SDIP
Manufacturer:
Microchip Technology
Datasheet:
Part Number:
Description:
IC MCU OTP 4KX14 LCD DVR 68PLCC
Manufacturer:
Microchip Technology
Datasheet:
Part Number:
Description:
IC MCU 64 LD 8MHZ 4K OTP 64-SDIP
Manufacturer:
Microchip Technology
Datasheet:
Part Number:
Description:
8-Bit CMOS Microcontroller with LCD Driver
Manufacturer:
Microchip Technology
Part Number:
Description:
8-Bit CMOS Microcontroller with LCD Driver
Manufacturer:
Microchip Technology