SN8F2250B Series
USB 2.0 Full-Speed 8-Bit Micro-Controller
1.2 SYSTEM BLOCK DIAGRAM
6MHz/12MHz/16MHz
PC
LVD
Oscillator
Flash
memory
Internal
Low RC
IR
WATCHDOG TIMER
P LL
FLAGS
VREG33
3.3v REGULATOR
TIMING GENERATOR
VREG25
2.5v REGULATOR
ALU
D+
RAM
Full speed USB SIE
D-
ACC
SYSTEM REGISTERS
TIMER & COUNTER
INTERRUPT
CONTROL
PWM
BUZZER
SIO
P0
P1
P2
P5
SONiX TECHNOLOGY CO., LTD
Page 8
Version 1.1