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SN8P1929
8-Bit Micro-Controller with Charge pump Regulator, PGIA, 16-bit ADC
1.3 SYSTEM BLOCK DIAGRAM
INTERNAL
HIGH RC
PC
OTP
EXTERNAL
HIGH OSC.
IR
ROM
EXTERNAL
LOW OSC.
LVD
(Low Voltage Detector)
FLAGS
WATCHDOG TIMER
TIMING GENERATOR
ALU
Charge Pump
AVDDCP
Regulator
AVDDR
AVE+
PGIA
AI+/AI-
RAM
ACC
SYSTEM REGISTERS
INTERRUPT
CONTROL
P0
P4
P2
LBTIN2/1
16-BIT ADC
R+/R-
Internal
Reference
Internal ADC
Channel for
Battery Detect
TIMER & COUNTER
P1
Comparator
P5
Figure 1-1 Simplified system block diagram
SONiX TECHNOLOGY CO., LTD
Page 7
Preliminary Version 0.1