MC68HC908GP32CB Freescale Semiconductor, MC68HC908GP32CB Datasheet - Page 159

• Manufacturer Part Number: MC68HC908GP32CB
• Description: IC MCU 32K FLASH 8MHZ 42-SDIP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908GP32CB

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 33
• Program Memory Size: 32KB (32K 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 8x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 42-DIP (0.600", 15.24mm)
• For Use With: M68EVB908GP32 - BOARD EVALUATION FOR HC908GP32
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

14.2 SIM Bus Clock Control and Generation
The bus clock generator provides system clock signals for the CPU and peripherals on the MCU. The
system clocks are generated from an incoming clock, CGMOUT, as shown in
come from either an external oscillator or from the on-chip PLL. (See
(CGM).)
Freescale Semiconductor
Addr.
$FE03
$FE04
$FE05
$FE06
OSCSTOPENB
CONFIG
FROM
Interrupt Status Register 1
Interrupt Status Register 2
Interrupt Status Register 3
OSC2
OSC1
Register Name
SIM Break Flag Control
Register (SBFCR)
PHASE-LOCKED LOOP (PLL)
CGMRCLK
(INT1)
(INT2)
(INT3)
OSCILLATOR (OSC)
Figure 14-2. SIM I/O Register Summary (Continued)
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Figure 14-3. CGM Clock Signals
Bit 7
BCFE
MC68HC908GP32 Data Sheet, Rev. 10
IF14
IF6
R
R
R
0
0
0
0
0
= Unimplemented
IF13
IF5
CGMXCLK
6
R
R
R
R
0
0
0
0
CGMOUT
SIMDIV2
IF12
IF4
5
R
R
R
R
0
0
0
0
IF11
IF3
4
R
R
R
R
R
0
0
0
0
SIM COUNTER
÷ 2
TO TIMTB15A, ADC
Chapter 5 Clock Generator Module
= Reserved
SIM Bus Clock Control and Generation
IF10
IF2
GENERATORS
R
R
R
R
3
0
0
0
0
SIM
BUS CLOCK
Figure
USER MODE
MONITOR MODE
IF1
IF9
R
R
R
R
2
0
0
0
0
14-3. This clock can
IF16
IF8
1
R
R
R
R
0
0
0
0
SIMOSCEN
PTC3
IT12
TO REST
OF CHIP
IT23
TO REST
OF CHIP
Bit 0
IF15
IF7
R
R
R
R
0
0
0
0
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