MC9S08GT16A Datasheet, PDF (224/300 Pages) Freescale Semiconductor, Inc – Microcontrollers

Analog-to-Digital Converter (S08ATDV3)
CONTROL
INTERRUPT
ADDRESS
R/W DATA
CONTROL AND
STATUS
REGISTERS
V_DD
V_SS
BUSCLK
PRESCALER
CLOCK
PRESCALER
DATA
JUSTIFICATION
RESULT REGISTERS
SAR_REG
<9:0>
CTL
STATUS
CTL
CONVERSION MODE
CONTROL BLOCK
STATE
MACHINE
V_REFH
V_REFL
V_DDAD
V_SSAD
ADP0
ADP1
ADP2
ADP3
ADP4
ADP5
ADP6
ADP7
INPUT
MUX
CONVERSION CLOCK
POWERDOWN
DIGITAL
ANALOG
CTL
SUCCESSIVE APPROXIMATION REGISTER
ANALOG-TO-DIGITAL CONVERTER (ATD) BLOCK
= INTERNAL PINS
= CHIP PADS
Figure 14-2. ATD Block Diagram
14.2 External Signal Description
The ATD supports eight input channels and requires four supply/reference/ground pins. These pins are
listed in Table 14-1.
MC9S08GT16A/GT8A Data Sheet, Rev. 1
224
Freescale Semiconductor