SN8A1702AX datasheet(60/112 Pages) SONIX

60 / 112 page

Preliminary

SN8P1702A/SN8P1703A

8-bit micro-controller build-in 12-bit ADC

SONiX TECHNOLOGY CO., LTD

Page 60

Revision 0.5

TC0R AUTO-LOAD REGISTER

TC0R is an 8-bit register for the TC0 auto-reload function. TC0R’s value applies to TC0OUT and PWM0OUT functions.

Under TC0OUT application, users must enable and set the TC0R register. The main purpose of TC0R is as following.

Store the auto-reload value and set into TC0C when the TC0C overflow. (ALOAD0 = 1).

Store the duty value of PWM0OUT function.

TC0R initial value = xxxx xxxx

0CDH

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

TC0R

TC0R7

TC0R6

TC0R5

TC0R4

TC0R3

TC0R2

TC0R1

TC0R0

The equation of TC0R initial value is like TC0C as following.

TC0R initial value = N - (TC0 interrupt interval time * input clock)

Which N is determinate by code option: TC0_Counter

TC0_Counter

Max. TC0R value

8-bit

256

255

6-bit

5-bit

4-bit

Note: TheTC0R must small or equal than Max. TC0R value.

Note: The TC0R is write-only register can’t be process by INCMS, DECMS instructions.

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