参数资料
型号: MC33889
厂商: 飞思卡尔半导体(中国)有限公司
元件分类: 基准电压源/电流源
英文描述: System Basis Chip (SBC) with Low Speed Fault Tolerant CAN Interface
中文描述: 带有低速CAN的精简版系统基础芯片
文件页数: 17/30页
文件大小: 464K
代理商: MC33889
PC33889
17
PC33889
5
The table below describe the SBC operation modes.
TABLE OF OPERATION
mode
Voltage
Regulator
HS1 switch
Wake up
capabilities
(if enabled)
Reset pin
INT
Software
Watchdog
CAN cell
Normal
Request
Vdd1: ON
V2: OFF
HS1: OFF
Low for 1ms, then high
term Vbat
Normal
Vdd1: ON
V2: ON
HS1
controllable
Normally high. Active
low if W/D or Vdd1
under voltage occur
If enabled,
signal failure
(Vdd pre
warning temp,
CAN, HS1)
Running
Term Vbat
Tx/Rx
Rec only
Standby
Vdd1: ON
V2: OFF
HS1
controllable
Normally high. Active
low if W/D or Vdd1
under voltage occur
If enabled,
signal failure
(Vdd temp,
HS1)
Running
Term Vbat
Tx/Rx
Rec only
Stop
Vdd1: ON
(limited current
capability)
V2: OFF
HS1: OFF or
cyclic
CAN (always
enable)
SPI and L0,L1
Cyclic sense or
Forced Wake up
Normally high. Active
low if W/D or Vdd1
under voltage occur
Signal SBC
wake up
(not maskable)
- Running if
enabled
- Not
Running if
disabled
Term
Vbat.
Sleep
Vdd1: OFF
V2: OFF
HS1 OFF or
cyclic
CAN (always
enable
SPI and L0,L1
Cyclic sense
Forced Wake up
Low
Not active
No Running
Term
Vbat.
Tableau 1 : table of operation
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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