SN8P1700
8-bit micro-controller build-in 12-bit ADC
SONiX TECHNOLOGY CO., LTD
Page 109
Revision 1.93
SYSTEM MODE CONTROL
SN8P1700 SYSTEM MODE BLOCK DIAGRAM
Normal Mode
Slow Mode
Power Down Mode
(Sleep Mode)
P0, P1 wake-up function active.
External reset circuit active.
CPUM0 = 01
CLKMD = 0
CLKMD = 1
Normal Mode
Slow Mode
Power Down Mode
(Sleep Mode)
P0, P1 wake-up function active.
External reset circuit active.
CPUM0 = 01
CLKMD = 0
CLKMD = 1
Figure 6-6. SN8P1700 System Mode Block Diagram
Operating mode description
MODE NORMAL SLOW
POWER DOWN
(SLEEP)
REMARK
HX osc.
Running
By STPHX
Stop
LX osc.
Running
Running
Stop
CPU instruction
Executing Executing
Stop
T0 timer
*Active
*Active
Inactive
TC0 timer
*Active
*Active
Inactive
TC1 timer
*Active
*Active
Inactive
* Active by
programm.
Watchdog timer
Active
Active
Inactive
Internal interrupt
All active
All active
All inactive
External interrupt
All active
All active
All inactive
Wakeup source
-
-
P0, P1, Reset
Table 6-1. Operating Mode Description