MDT10P223 Datasheet, PDF (4/21 Pages) Micon Design Technology Corporation – 8-bit micro-controller

6. Block Diagram
MDT10P223
Two Levels Stack
EPROM
2KX14
11 bits
11 bits
14 bits
Program Counter
OSC1
OSC2
MCLR
Instruction
Register
Oscillator Circuit
Instruction
Decoder
Power on Reset
PED
Working Register
ALU
RAM
72X8
Port
PB0~PB7
8 bits
Port B
(Pull hi)
Special Register
D0~D7
Control Circuit
Data 8-bit
Port
PA0~PA7
(22,24 pins)
PA0~PA5
(20 pins)
PA0~PA3
(18 pins)
Port A 8 bits
(pull hi)
CMR0~CMR5
Comparator
mode
Register
Status Register
8-bit Timer/Counter
Prescaler
RTCC
WDT/OST
Timer
This specification are subject to be changed without notice. Any latest information
Please visit http;//www.mdtic.com.tw
P.4
2010/06 Ver. 1.0