MCZ33989EG Freescale Semiconductor, MCZ33989EG Datasheet - Page 27

• Manufacturer Part Number: MCZ33989EG
• Description: IC SYSTEM BASIS CHIP CAN 28-SOIC
• Manufacturer: Freescale Semiconductor

Specifications of MCZ33989EG

• Applications: *
• Interface: *
• Voltage - Supply: *
• Package / Case: 28-SOIC (7.5mm Width)
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PACKAGE AND THERMAL CONSIDERATION
SOIC28 package. In order to improve the thermal
performances of the SOIC28 package, eight pins are
internally connected to the lead frame and are used for heat
transfer to the printed circuit board.
Analog Integrated Circuit Device Data
Freescale Semiconductor
STATE MACHINE DESCRIPTION:
The device is proposed in a standard surface mount
28.
29.
30.
31.
32.
33.
34.
35.
1
Nostop = Nostop bit = 1
! Nostop = Nostop bit = 0
BATFAIL = Batfail bit = 1
! BATFAIL = Batfail bit = 0
V
V
V
WD: Trigger = TIM1 register write operation.
Notes These two SPI commands must be sent consecutively in this sequence.
2
DD1
DD1
DD1
Power
Down
30.
3
Over Temperature = V
low = V
low >100 ms = V
If WD activated.
4
VSUP (Open or > 5.0 V
Reset
denotes priority
DD1
below reset threshold
(V DD1 High Temperature OR (V DD1 1 Low > 100ms & V SUP >BFew)) & Nostop &!BATFAIL
DD1
below reset threshold for more than 100 ms
DD1
Figure 12. Simplified Schematic for Flash Programming
Reset Counter (3.4
Figure 13. State Machine (Not Valid in Debug Modes)
ms) Expired
thermal shutdown occurs
V DD1 Low OR WD:
Timeout 350 ms
SBC
&!Nostop
External supply and sources applied to
and WD test points on application circuit board.
WD: Timeout OR V DD1 Low
WD: Timeout OR V DD1 Low
1
1
Normal
VDD1
RST
WD
Wake-up
RESET AND WATCHDOG PINS, SOFTWARE WATCHDOG OPERATIONS
Stop
2
2
Normal, Stand-by, and Stop Debug modes are entered
through special sequence described in the Debug mode
paragraph.
4
Table
WD:
SPI: Stop & CS
Low to High
Transition
3
SPI: Stand-by
& WD Trigger
6, page 24, describes the SBC operation modes.
Timeout
V
DD1 , RST,
MCU = Flash
&
Normal
Nostop
Stand-by
FUNCTIONAL DEVICE OPERATION
1
1
Programming Bus
Sleep
33989
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