MC9S08GB60 Datasheet, PDF (222/290 Pages) Motorola, Inc – Microcontrollers

Analog-to-Digital Converter (ATD) Module
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
CONVERSION CLOCK
V_REFH
V_REFL
V_DDAD
V_SSAD
AD1P0
AD1P1
AD1P2
AD1P3
AD1P4
AD1P5
AD1P6
AD1P7
INPUT
MUX
POWERDOWN
CTL
SUCCESSIVE APPROXIMATION REGISTER
ANALOG-TO-DIGITAL CONVERTER (ATD) BLOCK
= INTERNAL PINS
= CHIP PADS
Figure 14-2. ATD Block Diagram
14.2 Signal Description
DIGITAL
ANALOG
14.2.1 Overview
The ATD supports eight input channels and requires 4 supply/reference/ground pins. These pins are listed
in Table 14-1.
MC9S08GB/GT Data Sheet, Rev. 2.3
222
Freescale Semiconductor