MC68HC908SR12CFA Freescale Semiconductor, MC68HC908SR12CFA Datasheet - Page 222

• Manufacturer Part Number: MC68HC908SR12CFA
• Description: MICROCONTROLLER 48 PIN
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908SR12CFA

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: I²C, SCI
• Peripherals: LVD, POR, PWM, Temp Sensor
• Number Of I /o: 31
• Program Memory Size: 12KB (12K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: Q1145673

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