MC68HC908SR12CB Freescale Semiconductor, MC68HC908SR12CB Datasheet - Page 10
MC68HC908SR12CB
Manufacturer Part Number
MC68HC908SR12CB
Description
IC MCU 12K FLASH 8MHZ 42-SDIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908SR12MFAE.pdf
(404 pages)
Specifications of MC68HC908SR12CB
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SCI
Peripherals
LVD, POR, PWM, Temp Sensor
Number Of I /o
29
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 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
42-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC908SR12CB
Manufacturer:
TI/NSC
Quantity:
340
Part Number:
MC68HC908SR12CB
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
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Table of Contents
Data Sheet
10
7.7.3
7.7.4
7.7.5
7.7.6
7.8
7.8.1
7.8.2
7.9
8.1
8.2
8.3
8.4
8.4.1
8.4.2
8.4.3
8.4.4
8.4.5
8.4.6
8.4.7
8.4.8
8.4.9
8.5
8.5.1
8.5.2
8.5.3
8.5.4
8.5.5
8.5.6
8.5.7
8.5.8
8.6
8.6.1
Low Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Oscillator During Break Mode. . . . . . . . . . . . . . . . . . . . . . . . . 110
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
CGM Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Section 8. Clock Generator Module (CGM)
Oscillator Enable Signal (SIMOSCEN). . . . . . . . . . . . . . . . 109
CGM Oscillator Clock (CGMXCLK) . . . . . . . . . . . . . . . . . . 109
CGM Reference Clock (CGMRCLK) . . . . . . . . . . . . . . . . . 109
Oscillator Clock to Time Base Module (OSCCLK) . . . . . . . 109
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
Oscillator Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Phase-Locked Loop Circuit (PLL) . . . . . . . . . . . . . . . . . . . 116
PLL Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Acquisition and Tracking Modes . . . . . . . . . . . . . . . . . . . . 118
Manual and Automatic PLL Bandwidth Modes. . . . . . . . . . 118
Programming the PLL . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Special Programming Exceptions . . . . . . . . . . . . . . . . . . . 124
Base Clock Selector Circuit . . . . . . . . . . . . . . . . . . . . . . . . 124
CGM External Connections . . . . . . . . . . . . . . . . . . . . . . . . 125
External Filter Capacitor Pin (CGMXFC) . . . . . . . . . . . . . . 126
PLL Analog Power Pin (V
PLL Analog Ground Pin (V
Oscillator Output Frequency Signal (CGMXCLK) . . . . . . . 126
CGM Reference Clock (CGMRCLK) . . . . . . . . . . . . . . . . . 126
CGM VCO Clock Output (CGMVCLK) . . . . . . . . . . . . . . . . 127
CGM Base Clock Output (CGMOUT). . . . . . . . . . . . . . . . . 127
CGM CPU Interrupt (CGMINT) . . . . . . . . . . . . . . . . . . . . . 127
PLL Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Table of Contents
MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
DDA
SSA
) . . . . . . . . . . . . . . . . . . . . . . 126
) . . . . . . . . . . . . . . . . . . . . . 126
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