MC9S08GT16CFDE Freescale Semiconductor, MC9S08GT16CFDE Datasheet - Page 121
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MC9S08GT16CFDE
Manufacturer Part Number
MC9S08GT16CFDE
Description
IC MCU 16K FLASH 20MHZ 48-QFN
Manufacturer
Freescale Semiconductor
Series
HCS08r
Datasheet
1.M68EVB908GB60E.pdf
(290 pages)
Specifications of MC9S08GT16CFDE
Core Processor
HCS08
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
39
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-QFN
For Use With
M68DEMO908GB60E - BOARD DEMO MC9S08GB60M68EVB908GB60E - BOARD EVAL FOR MC9S08GB60
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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REFST — Reference Clock Status
LOLS — FLL Loss of Lock Status
LOCK — FLL Lock Status
LOCS — Loss Of Clock Status
ERCS — External Reference Clock Status
Freescale Semiconductor
The REFST bit indicates which clock reference is currently selected by the Reference Select circuit.
The LOLS bit is an indication of FLL lock status. If LOLS is set, it remains set until cleared by
software or an MCU reset.
The LOCK bit indicates whether the FLL has acquired lock. The LOCK bit is cleared in off,
self-clocked, and FLL bypassed modes.
The LOCS bit is an indication of ICG loss of clock status. If LOCS is set, it remains set until cleared
by software on an MCU reset.
The ERCS bit is an indication of whether or not the external reference clock (ICGERCLK) meets the
minimum frequency requirement.
1 = Crystal/Resonator selected.
0 = External Clock selected.
1 = FLL has unexpectedly lost lock since LOLS was last cleared, LOLRE determines action taken.
0 = FLL has not unexpectedly lost lock since LOLS was last cleared.
1 = FLL is currently locked.
0 = FLL is currently unlocked.
1 = ICG has lost clock since LOCS was last cleared, LOCRE determines action taken.
0 = ICG has not lost clock since LOCS was last cleared.
1 = External reference clock is stable, frequency requirement is met.
0 = External reference clock is not stable, frequency requirement is not met.
CLKST[1:0]
00
01
10
11
Table 7-9. CLKST Clock Mode Status
MC9S08GB/GT Data Sheet, Rev. 2.3
FLL bypassed, external reference
FLL engaged, external reference
FLL engaged, internal reference
Clock Status
Self-clocked
ICG Registers and Control Bits
121
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