SN8A1702AX datasheet(49/112 Pages) SONIX

49 / 112 page

Preliminary

SN8P1702A/SN8P1703A

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

SONiX TECHNOLOGY CO., LTD

Page 49

Revision 0.5

SYSTEM MODE CONTROL

SYSTEM MODE BLOCK DIAGRAM

Figure 7-6. System Mode Block Diagram

Operating mode description

MODE

NORMAL

SLOW

GREEN

POWER DOWN

(SLEEP)

REMARK

HX osc.

Running

By STPHX

Stop

LX osc.

Running

Stop

CPU instruction

Executing

Stop

TC0 timer

*Active

Inactive

* Active by

program

Watchdog timer

Active

By INT_16K_RC

Internal

interrupt

All active

TC0

All inactive

External

interrupt

All active

All inactive

Wakeup source

P0, P1, TC0

Reset

P0, P1, Reset

Table 7-1. Operating Mode Description

Normal Mode

Green Mode

Slow Mode

Power Down Mode

(Sleep Mode)

P0, P1 wake-up function active.

External reset circuit active.

CPUM1, CPUM0 = 01

CLKMD = 0

CLKMD = 1

CPUM1, CPUM0 = 10

P0, P1 wake-up function active.

TC0 time out.

P0, P1 wake-up function active.

TC0 time out.

External reset circuit active.

Normal Mode

Green Mode

Slow Mode

Power Down Mode

(Sleep Mode)

P0, P1 wake-up function active.

External reset circuit active.

CPUM1, CPUM0 = 01

CLKMD = 0

CLKMD = 1

CPUM1, CPUM0 = 10

P0, P1 wake-up function active.

TC0 time out.

P0, P1 wake-up function active.

TC0 time out.

External reset circuit active.

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