Datasheet

Electrical Characteristics
MC9S08QB8 Series MCU Data Sheet, Rev. 3
Freescale Semiconductor 21
NOTE
V
DDA
/V
SSA
pins do not exist in 16-pin package. The signals are derived
internally by double bonding to V
DD
/V
SS
pair of pins.
Figure 16. ADC Input Impedance Equivalency Diagram
+
–
+
–
VAS
RAS
CAS
VADIN
ZAS
Pad
leakage
due to
input
protection
ZADIN
SIMPLIFIED
INPUT PIN EQUIVALENT
CIRCUIT
RADIN
ADC SAR
ENGINE
SIMPLIFIED
CHANNEL SELECT
CIRCUIT
INPUT PIN
RADIN
CADIN
INPUT PIN
RADIN
INPUT PIN
RADIN