MM912H634CV1AE Freescale Semiconductor, MM912H634CV1AE Datasheet - Page 22

• Manufacturer Part Number: MM912H634CV1AE
• Description: 64KS12 LIN2xLS/HS Isense
• Manufacturer: Freescale Semiconductor
• Series: -r

Specifications of MM912H634CV1AE

• Applications: Automotive
• Core Processor: HCS12
• Program Memory Type: FLASH (64 kB)
• Controller Series: HCS12
• Ram Size: 6K x 8
• Interface: LIN
• Number Of I /o: -
• Voltage - Supply: 5.5 V ~ 27 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP Exposed Pad
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

3.5.2.2
3.5.2.3
LVI (low voltage interrupt), POR (power-on reset) and LVRs (low voltage reset) handle chip power-up or drops of the supply
voltage.
Freescale Semiconductor
VDDRX Low Voltage Reset
Power-on Reset
Note:
25.
26.
27.
28.
Assert Level
Deassert Level
Assert Level
Deassert Level
V
V
V
V
V
Device functionality is guaranteed on power down to the LVR assert level.
Monitors VDDRX, active only in Full Performance mode. MCU is monitored by the POR in RPM (see
Monitors VDDRX, active only in Full Performance mode. V
Monitors MCU_CORE_VDD. Active in all modes.
PORD
LVID
LVIA
LVRD
LVRA
LVI
LVR
V
POR
(28)
Electrical Specification for MCU internal Voltage Regulator
Chip Power-up and Voltage Drops
The LVR monitors the voltages V
on these supplies which would prohibit the correct function of the microcontroller, the LVR is
triggering a reset.
Characteristic
(25)(26)(27)
Figure 4. MC9S12I32 - Chip Power-up and Voltage Drops (not scaled)
MM912_634 Advance Information, Rev. 4.0
Table 27. IVREG Characteristics
DD_CORE
Symbol
LVRA
, V
V
V
V
V
NOTE
LVRXA
LVRXD
PORA
PORD
DDFLASH
V
DDRX
and V
PORD
and V
.
LVI enabled
2.97
DDRX
Min
0.6
—
—
. As soon as voltage drops
Typical
3.06
3.09
0.95
0.9
LVI disabled due to LVR
Figure
Electrical Characteristics
).
Max
1.60
3.3
—
—
V
DD_Core
t
Unit
V
V
V
V
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