mc68hc908sr12 Freescale Semiconductor, Inc, mc68hc908sr12 Datasheet - Page 222

• Manufacturer Part Number: mc68hc908sr12
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Analog Module
14.3 Features
Data Sheet
222
BATT +
BATT –
BATT +
BATT –
THERMISTOR
EXTERNAL
R
SENSE
0.01Ω
I
SENSE
OPIN2/
ATD1
OPIN1/
ATD0
PTC0/
PWM0/
CD
V
V
SSAM
SSA
The features of the analog module include the following:
Figure 14-1. Analog Module Block Diagram
•
•
•
Temperature sensor
Current flow detection amplifier
Two-stage amplifier
–9mV
DIVIDER
CLOCK
V
DET
ADCICLK
INTERNAL
TEMPERATURE
SENSOR
OPCH[1:0]
–
+
IN3
IN2
IN1
IN0
CGMXCLK
ATD1
ATD0
CDOEN
LOGIC
PTC0
Analog Module
AMCDIV[1:0]
FROM CONFIG2
TO ADC
FROM ADC
AMCLK
FROM CGM
CGMVCLK
V
DD
D
CDIFR
MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
R
2-STAGE
OPIFR
Q
AMP
CDIF
OPIF
REFERENCE
INTERNAL
OPIF
CDIF
Freescale Semiconductor
AMIEN
–
+
ANALOG MODULE
ANALOG MODULE
INTERRUPT REQUEST
OPOUT
GAINA[3:0]
GAINB[3:0]
DO[2:0]
TO ADC
TO IRQ
LOGIC
DOF