SN8A1702AX datasheet(71/112 Pages) SONIX

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Preliminary

SN8P1702A/SN8P1703A

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

SONiX TECHNOLOGY CO., LTD

Page 71

Revision 0.5

TC1R AUTO-LOAD REGISTER

TC1R is an 8-bit register for the TC1 auto-reload function. TC1R’s value applies to TC1OUT and PWM1OUT functions.

Under TC1OUT application, users must enable and set the TC1R register. The main purpose of TC1R is as following.

Store the auto-reload value and set into TC1C when the TC1C overflow. (ALOAD1 = 1).

Store the duty value of PWM1OUT function.

TC1R initial value = xxxx xxxx

0DEH

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

TC1R

TC1R7

TC1R6

TC1R5

TC1R4

TC1R3

TC1R2

TC1R1

TC1R0

The equation of TC1R initial value is like TC1C as following.

TC1R initial value = N - (TC1 interrupt interval time * input clock)

Which N is determinate by code option: TC1_Counter

TC1_Counter

Max. TC1R value

8-bit

256

255

6-bit

5-bit

4-bit

Note: TheTC1R must small or equal than Max. TC1R value.

Note: The TC1R is write-only register can’t be process by INCMS, DECMS instructions.

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