MC68HC908GR8CD Freescale Semiconductor, MC68HC908GR8CD Datasheet - Page 70

• Manufacturer Part Number: MC68HC908GR8CD
• Description: 8-bit Microcontrollers - MCU 8 Bit 8MHz
• Manufacturer: Freescale Semiconductor

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

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)