MC68HC908GR8CD Freescale Semiconductor, MC68HC908GR8CD Datasheet - Page 70
MC68HC908GR8CD
Manufacturer Part Number
MC68HC908GR8CD
Description
8-bit Microcontrollers - MCU 8 Bit 8MHz
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68HC908GR8CD.pdf
(286 pages)
Specifications of MC68HC908GR8CD
Product Category
8-bit Microcontrollers - MCU
Rohs
yes
Core
HC08
Data Bus Width
8 bit
Maximum Clock Frequency
8 MHz
Program Memory Size
64 KB
Data Ram Size
384 B
Operating Supply Voltage
3 V to 5 V
Package / Case
SOIC-28
Mounting Style
SMD/SMT
Data Rom Size
64 KB
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
21
Program Memory Type
Flash
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Clock Generator Module (CGMC)
70
SIMOSCEN (FROM SIM)
(FROM CONFIG)
OSCSTOPENB
CGMVDV
OSC2
OSC1
CGMRDV
RDS3–RDS0
DETECTOR
DETECTOR
PHASE
LOCK
LOCK
REFERENCE
MUL11–MUL0
FREQUENCY
DIVIDER
DIVIDER
PHASE-LOCKED LOOP (PLL)
MC68HC908GR8 • MC68HC908GR4 Data Sheet, Rev. 7
OSCILLATOR (OSC)
V
DDA
Figure 7-1. CGMC Block Diagram
AUTO
AUTOMATIC
CGMRCLK
CGMXFC
CONTROL
FILTER
MODE
LOOP
ACQ
PLL ANALOG
V
SSA
FREQUENCY
PRE1–PRE0
DIVIDER
VRS7–VRS0
PLLIE
CONTROLLED
OSCILLATOR
INTERRUPT
BCS
CONTROL
VOLTAGE
VPR1–VPR0
PLLF
CIRCUIT
SELECT
CLOCK
CGMVCLK
³ 2
(TO: SIM, TIMEBASE, ADC)
Freescale Semiconductor
CGMXCLK
CGMINT
(TO SIM)
CGMOUT
(TO SIM)
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