LOGIC COMMANDS AND REGISTERS Reset Control " />
參數(shù)資料
型號: KIT33989DWEVB
廠商: Freescale Semiconductor
文件頁數(shù): 27/72頁
文件大小: 0K
描述: KIT EVAL 33989DW HS SBC
標準包裝: 1
主要目的: 接口,CAN 控制器
嵌入式: 是,MCU,8 位
已用 IC / 零件: MC33989
主要屬性: CAN 2.0 系統(tǒng)基礎芯片(SBC),SPI 接口,2 低壓降穩(wěn)壓器
次要屬性: 故障檢測,睡眠和待機模式
已供物品: 板,CD
相關(guān)產(chǎn)品: MC33989DWR2CT-ND - IC SYSTEM BASE W/CAN 28-SOIC
MC33989DWR2TR-ND - IC SYSTEM BASE W/CAN 28-SOIC
MC33989DW-ND - IC SYSTEM BASE W/CAN 28-SOIC
Analog Integrated Circuit Device Data
Freescale Semiconductor
33
33989
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
Reset Control Register (RCR)
Table 13 provides Reset Control Register data while Table 14 outlines the RCR Control Bits, and Table 15 provides RCR
Status Bits data.
1
0
1
Normal
No watchdog running, Debug Mode
1
0
Standby
1
Stop
Notes
32.
Watchdog ON or OFF depends on RCR bit D3.
33.
Before entering Sleep mode, bit BATFAIL in MCR must be previously cleared (MCR read operation), and bit NOSTOP in RCR must be
previously set to 1.
Table 12. MCR Status Bits
Status Bits
Description
GFAIL
Logic OR of CAN Failure (TXF Permanent Dominant, or CAN Over Current or CAN thermal), or HS1
Overtemperature, or V2 Low
BATFAIL
Battery Fail Flag (set when VSUP < 3.0 V)
VDDTEMP
Temperature Pre-warning on VDD (latched)
WDRST
Watchdog Reset Occurred
Table 13. RCR Register
RCR
D3
D2
D1
D0
$001B
W
WDSTOP
NOSTOP
SAFE
RSTTH
R
Reset Value
1
0
Reset Condition
POR,RST,
STO2NR
POR, NR2N NR2STB
POR
Table 11. MCR Control Bits
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