参数资料
型号: MCZ33904B5EK
厂商: Freescale Semiconductor
文件页数: 43/106页
文件大小: 0K
描述: IC SYSTEM BASIS CHIP 32-SOIC
标准包装: 42
应用: 系统基础芯片
接口: CAN,LIN
电源电压: 5.5 V ~ 27 V
封装/外壳: 32-BSOP(0.295",7.50mm 宽)裸露焊盘
供应商设备封装: 32-SOICW 裸露焊盘
包装: 管件
安装类型: 表面贴装
Analog Integrated Circuit Device Data
Freescale Semiconductor
41
33903/4/5
FUNCTIONAL DEVICE OPERATION
STATE DIAGRAM
STATE DIAGRAM
Figure 23. State Diagram
INIT Reset
start T_IR
INIT
start T_INIT
T_IR expired
T_INIT expired
or VDD<VDD_UVTH
NORMAL (4)
start T_WDN
SPI write (0x5A00)
SPI secured (3)
watchdog refresh
FLASH
start T_WDF
SPI secured (3)
watchdog refresh
RESET
(config)
start T_R
(1.0 ms or config)
VDD<VDD_UVTH or T_WD expired
POWER DOWN
SPI secured
VSUP fall
VSUP/1 rise > VSUP-TH1
NORMAL
start T_NR
REQUEST
(256 ms or config)
(1) watchdog refresh in closed window or enhanced watchdog refresh failure
T_R expired
SPI write (0x5A00)
T_NR expired
LP
start T_WDL (2)
VDD ON
LP
VDD OFF
Wake-up
if enable
Wake-up (5)
(2) If enable by SPI, prior to enter LP VDD ON mode
LP VDDON
start T_OC time
IDD > 1.5 mA
I-DD>IOC
I-DD<IOC
T_OC expired
SPI
& VDD>VDD_UVTH
watchdog refresh
SPI
or T_WDF expired
or VDD<VDD_UVTH
VSUP fall
Debug
FAIL-SAFE DETECTED
detection
(watchdog refresh)
(1.5 mA)
by SPI
mode
(T_IR =1.0 ms)
(T_INIT =256ms)
(T_WDN = config)
T_WDL expired or VDD<VDD_UVTHLP
or Wake-up
or watchdog failure (1) or SPI secured
(watchdog refresh)
VDD<VDD_UVTHLP
by SPI
& VDD > VDD_UVTH
Ext reset
(3) Ref. to “SPI secure” description
(4) VDD external PNP is disable in all mode except Normal and Flash modes.
(5) Wake-up from LP VDD ON mode by SPI command is done by a SPI mode change: 0X5C10
or VDD TSD
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