PIC17C752-08SLASHP datasheet(93/320 Pages) MICROCHIP

93 / 320 page

Preliminary

DS30264A-page 93

PIC17C75X

FIGURE 13-3: TCON3 REGISTER (ADDRESS: 16h, BANK 7)

U-0

R - 0

R/W - 0

CA4OVF CA3OVF

CA4ED1 CA4ED0 CA3ED1 CA3ED0 PWM3ON

R = Readable bit

W = Writable bit

U = Unimplemented bit,

Reads as ‘0’

-n = Value at POR reset

bit7

bit0

bit 7:

Unimplemented: Read as ‘0’

bit 6:

CA4OVF: Capture4 Overﬂow Status bit

This bit indicates that the capture value had not been read from the capture register pair (CA4H:CA4L)

before the next capture event occurred. The capture register retains the oldest unread capture value (last

capture before overﬂow). Subsequent capture events will not update the capture register with the TMR3

value until the capture register has been read (both bytes).

1 = Overﬂow occurred on Capture4 registers

0 = No overﬂow occurred on Capture4 registers

bit 5:

CA3OVF: Capture3 Overﬂow Status bit

This bit indicates that the capture value had not been read from the capture register pair (CA3H:CA3L)

before the next capture event occurred. The capture register retains the oldest unread capture value (last

capture before overﬂow). Subsequent capture events will not update the capture register with the TMR3

value until the capture register has been read (both bytes).

1 = Overﬂow occurred on Capture3 registers

0 = No overﬂow occurred on Capture3 registers

bit 4-3:

CA4ED1:CA4ED0: Capture4 Mode Select bits

= Capture on every falling edge

= Capture on every rising edge

= Capture on every 4th rising edge

= Capture on every 16th rising edge

bit 2-1:

CA3ED1:CA3ED0: Capture3 Mode Select bits

= Capture on every falling edge

= Capture on every rising edge

= Capture on every 4th rising edge

= Capture on every 16th rising edge

bit 0:

PWM3ON: PWM3 On bit

1 = PWM3 is enabled (The RG5/PWM3 pin ignores the state of the DDRG<5> bit)

0 = PWM3 is disabled (The RG5/PWM3 pin uses the state of the DDRG<5> bit for data direction)

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