R1, R2 – 1k2
R3 – 2k2
R-PACK – 9x10k or 8x 4k7…10k
C1, C2 – 24pF
X1 – Quartz resonator 4.43 MHz
(4…10MHz)
BU5 – Straight pin-header 2x16, division 2.54
BU7 – Straight pin-header 1x5, division 2.54
BU8 – IC Socket PLCC-44