MDT10P621 Datasheet, PDF (2/21 Pages) Micon Design Technology Corporation – 8-bit micro-controller

4. Pin Assignment
/MCLR 1
PA0 2
PA1 3
PA2 4
PA3 5
PA4/RTCC 6
PA5/SS 7
V_ss 8
OSC1/CLKIN 9
OSC2/CLKOUT 10
PC0/T1OSO/T1CKI 11
PC1/T1OSI 12
PC2/CCP 13
PC3/SCK 14
28 PB7
27 PB6
26 PB5
25 PB4
24 PB3
23 PB2
22 PB1
21 PB0/INT
20 V_dd
19 V_ss
18 PC7
17 PC6
16 PC5/SDO
15 PC4/SDI
MDT10P621
5. Pin Function Description
Pin Name
PA0~PA3,PA5
RTCC/PA4
PB0~PB7
PC0~PC7
/MCLR
OSC1/CLKIN
OSC2/CLKOUT
V_dd
V_ss
I/O
Function Description
I/O Port A, TTL input level
I/O Real Time Clock/Counter, Schmitt Trigger input level
Open drain output
I/O Port B, TTL input level / PB0:External interrupt input ,
PB4~PB7:Interrupt on pin change
I/O Port C, Schmitt Trigger input level
I Master Clear, Schmitt Trigger input level
I Oscillator Input/external clock input
O ^{Oscillator Output/in RC mode the CLKOUT pin has 1/4}
frequency of CLKIN
Power supply
Ground
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P.2
2005/5 Ver. 1.8