PXD20 Datasheet, PDF (87/130 Pages) Freescale Semiconductor, Inc – PXD20 Microcontroller

Electrical characteristics
4.11 Slow external crystal oscillator (32 KHz) electrical characteristics
The device provides a slow external oscillator/resonator driver (SXOSC). The 32 KHz oscillator operates at 32,768 Hz.
PC[15]
PC[14]
DEVICE
C_X
R_F
C_Y
PC[15]
PC[14]
DEVICE
Figure 11. Crystal oscillator and resonator connection scheme
NOTE
PC[14]/PC[15] must not be directly used to drive external circuits.
V_DD
V_DDMIN
V_XTAL
V_XOSCLP
90%
T_XOSCLPSU
10%
valid internal clock
1/f_XOSCLP
Figure 12. Slow external crystal oscillator electrical characteristics
PXD20 Microcontroller Data Sheet, Rev. 2
Freescale Semiconductor
Preliminary—Subject to Change Without Notice
87