S9S12GN16F0CFT Freescale Semiconductor, S9S12GN16F0CFT Datasheet - Page 374
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S9S12GN16F0CFT
Manufacturer Part Number
S9S12GN16F0CFT
Description
16-bit Microcontrollers - MCU 16-bit16k Flash 2k RAM
Manufacturer
Freescale Semiconductor
Datasheet
1.S9S12GN16F0CFT.pdf
(1292 pages)
Specifications of S9S12GN16F0CFT
Rohs
yes
Core
S12
Processor Series
MC9S12G
Data Bus Width
16 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
16 KB
Data Ram Size
1024 B
On-chip Adc
Yes
Operating Supply Voltage
3.13 V to 5.5 V
Operating Temperature Range
- 40 C to + 85 C
Package / Case
TSSOP-20
Mounting Style
SMD/SMT
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S12 Clock, Reset and Power Management Unit (S12CPMU)
376
LOCKIF
UPOSC
OSCIF
PORF
LOCK
Field
LVRF
RTIF
ILAF
7
6
5
4
3
2
1
0
Real Time Interrupt Flag — RTIF is set to 1 at the end of the RTI period. This flag can only be cleared by writing
a 1. Writing a 0 has no effect. If enabled (RTIE=1), RTIF causes an interrupt request.
0 RTI time-out has not yet occurred.
1 RTI time-out has occurred.
Power on Reset Flag — PORF is set to 1 when a power on reset occurs. This flag can only be cleared by writing
a 1. Writing a 0 has no effect.
0 Power on reset has not occurred.
1 Power on reset has occurred.
Low Voltage Reset Flag — LVRF is set to 1 when a low voltage reset occurs. This flag can only be cleared by
writing a 1. Writing a 0 has no effect.
0 Low voltage reset has not occurred.
1 Low voltage reset has occurred.
PLL Lock Interrupt Flag — LOCKIF is set to 1 when LOCK status bit changes. This flag can only be cleared by
writing a 1. Writing a 0 has no effect.If enabled (LOCKIE=1), LOCKIF causes an interrupt request.
0 No change in LOCK bit.
1 LOCK bit has changed.
Lock Status Bit — LOCK reflects the current state of PLL lock condition. Writes have no effect. While PLL is
unlocked (LOCK=0) fPLL is fVCO / 4 to protect the system from high core clock frequencies during the PLL
stabilization time tlock.
0 VCOCLK is not within the desired tolerance of the target frequency.
1 VCOCLK is within the desired tolerance of the target frequency.
Illegal Address Reset Flag — ILAF is set to 1 when an illegal address reset occurs. Refer to MMC chapter for
details. This flag can only be cleared by writing a 1. Writing a 0 has no effect.
0 Illegal address reset has not occurred.
1 Illegal address reset has occurred.
Oscillator Interrupt Flag — OSCIF is set to 1 when UPOSC status bit changes. This flag can only be cleared
by writing a 1. Writing a 0 has no effect.If enabled (OSCIE=1), OSCIF causes an interrupt request.
0 No change in UPOSC bit.
1 UPOSC bit has changed.
Oscillator Status Bit — UPOSC reflects the status of the oscillator. Writes have no effect. While UPOSC=0 the
OSCCLK going to the MSCAN module is off. Entering Full Stop Mode UPOSC is cleared.
0 The oscillator is off or oscillation is not qualified by the PLL.
1 The oscillator is qualified by the PLL.
f
f
PLL
PLL
= f
= f
VCO
VCO
/4.
/(POSTDIV+1).
Table 10-3. CPMUFLG Field Descriptions
MC9S12G Family Reference Manual,
Description
Rev.1.23
Freescale Semiconductor
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