MDT90P01 Datasheet, PDF (3/11 Pages) Micon Design Technology Corporation – 4-bit micro-controller

7. Pin Function Description
MDT90P01
Pin Name
PB0
PB1
PB2/RTCC
PB3
V_dd
V_ss
I/O
Function Description
I/O Port B, TTL input level .Can be software programmed for internal weak
pill-up and wake-up from SLEEP on pin change
I/O Port B, TTL input level .Output is open drain type. Can be software
programmed for wake-up from SLEEP on pin change
I/O Real Time Clock/Counter, Schmitt Trigger input levels. .Output is open
drain type.
I/O Port B, TTL input level . Can be software programmed for internal weak
pill-up and wake-up from SLEEP on pin change
Power supply
Ground
8. Memory Map
(A) Register Map
Address
BANK0
01
02
03
04
05
06
07
08~1F
Description
RTCCL
PCL
STATUSL
STATUSH
IODS
PORTB
RTCCH
General purpose registers
(1) RTCCL (Real Time Counter/Counter Register) : R1
RTCCH (Real Time Counter/Counter Register) : R7
This specification is subject to be changed without notice. Please visit our web site for the most updated information.
http://www.mdtic.com.tw
P. 3
2008/5 Ver. 1.0