MDT2051 Datasheet, PDF (4/14 Pages) List of Unclassifed Manufacturers – 8-bit micro-controller uses a fully static CMOS design technology

(5) MSR (Memory Bank Select Register) : R4
Memory Bank Select Register :
0 : 00~7F
1 : 80~FF
MDT2051
b7
b6
b5
b4
b3
b2
b1
b0
Indirect Addressing Mode
(6) PORT A : R05
PA4~PA0, I/O Register
(7) PORT B : R06
PB7~PB0, I/O Register
(8) ADS0 ( A/D Status Register ) : R08
Bit
Symbol
Function
0
ADRUN 0 : A/D converter module is shut off and consumes no operating current
1 : A/D converter module is operating
1
ADIF
A/D conversion complete interrupt flag bit
Set when conversion is completed. Reset in software.
2 GO/DONEB GO/DONEB must be set to begin a conversion . It is automatically reset
in hardware when the conversion is complete
4,3
CHS1-0 00 : AIC0 01 : AIC1 10 : AIC2 11 : AIC3
5
Reserved Can be used as a general purpose r/w bit
7,6
ASCS1-0 00 : fosc/2 01: fosc/8 10 : fosc/32 11 : f RC (*Note)
*Note: determined by OSC mode, HF: fosc/32 XT: fosc/8 RC: fosc/2 LF: fosc/2
(9) ADRES ( A/D result register ) : R09
(10)PCH (High byte of PC) : R0A
Bit
Function
1~0
High byte of PC
7~2
Unimplemented, reads as 0
This specification are subject to be changed without notice. Any latest information please preview
http;//www.mdtic.com.tw
P. 4
2004/1 Ver. 1.8