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| 型號： | MCZ33889BEGR2 |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 38/59頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC SYSTEM BASIS W/CAN 28-SOIC |
| 標準包裝： | 1,000 |
| 系列： | * |
| 應(yīng)用： | * |
| 接口： | * |
| 電源電壓： | * |
| 封裝/外殼： | 28-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 28-SOIC W |
| 包裝： | 帶卷 (TR) |
| 安裝類型： | 表面貼裝 |
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Analog Integrated Circuit Device Data
Freescale Semiconductor
43
33889
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
Four registers can be corrupted: MCR, RCR, CAN, and IOR registers. As examples:
write to CAN register can end up as write to MCR register, or
write to TIM1 register can end up as write to RCR register
To avoid the previously described behavior, it is recommended to write into the MCR, RCR,
CAN, and IOR registers with the expected configuration, after each RST assertion.
In the application, a RST low pulse leads to an MCU reset and a software restart. By
applying this recommendation, all registers will be written with the expected configuration.
Register Description
Table 10. MCR Register
MCR
D3
D2
D1
D0
$000b
W
MCTR2
MCTR1
MCTR0
R
BATFAIL
VDDTEMP
GFAIL
WDRST
Reset
0
Reset condition
POR, RESET
Table 11. Control Bits
MCTR2
MCTR1
MCTR0
SBC mode
Description
0
Enter/leave debug mode
To enter debug mode, SBC must be in Normal or Standby
mode and BATFAIL (30) must be still at 1. To leave debug
mode, BATFAIL must be at 0.
0
1
Normal
0
1
0
Standby
0
1
Stop, watchdog off (31)
0
1
Stop, watchdog on (31)
1
0
Sleep (32)
1
0
1
Normal
No watchdog running, debug mode
1
0
Standby
1
Stop (33)
Notes
30.
Bit BATFAIL cannot be set by SPI. BATFAIL is set when VSUP falls below 3V.
31.
Watchdog ON or OFF depends on the RCR register bit D3.
32.
Before entering sleep mode, bit NOSTOP in RCR register must be previously set to 1.
33.
Stop command should be replaced by Stop Watchdog OFF. MCTR2=0, MCTR1= MCTR0=1
Table 12. Status Bits
Status bit
Description
GFAIL
Logic OR of CAN failure, HS1 failure, V2LOW
BATFAIL
Battery fail flag (VSUP < 3.0 V)
VDDTEMP
Temperature prewarning on VDD (latched)
WDRST
Watchdog reset occurred
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參數(shù)描述 |
|---|---|
| MCZ33889DEG | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC SBC-LITE-LS-CAN RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| MCZ33889DEG | 制造商:Freescale Semiconductor 功能描述:IC SYSTEM BASIS W/CAN TRANCEIVER |
| MCZ33889DEG/R2 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:System Basis Chip with Low Speed Fault Tolerant CAN Interface |
| MCZ33889DEGR2 | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC SBC-LITE-LS-CAN RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| MCZ33897AEF | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC SWCAN RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
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