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| 型號(hào)： | MCZ33989EG |
| 廠商： | Freescale Semiconductor |
| 文件頁(yè)數(shù)： | 26/72頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC SYSTEM BASIS CHIP CAN 28-SOIC |
| 標(biāo)準(zhǔn)包裝： | 26 |
| 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： | 管件 |
| 安裝類(lèi)型： | 表面貼裝 |
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Analog Integrated Circuit Device Data
32
Freescale Semiconductor
33989
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.
Mode Control Register (MCR)
Table 10 provides Mode Control Register data.
Table 9. Possible Corrupted Registers In Case of RST Pulse During SPI Communication
Resulting Written register
Register
MCR
RCR
CAN
IOR
Address
$000
$001
$010
$011
Target
written
register
Register
Address
CAN
$010
X
IOR
$011
X
WUR
$100
X
TIM1/2
$101
X
LPC
$110
X
INTR
$111
X
Table 10. MCR Register
MCR
D3
D2
D1
D0
$000B
W
—
MCTR2
MCTR1
MCTR0
R
BATFAIL (31)
VDDTEMP
GFAIL
WDRST
Reset Value
—
0
Reset Condition
—
POR, RESET
Notes
31.
Bit BATFAIL cannot be set by SPI. BATFAIL is set when VSUP falls below 3.0 V.
Table 11. MCR Control Bits
MCTR2
MCTR1
MCTR0
SBC Mode
Description
0
Enter/Exit Debug Mode
To enter/exit Debug Mode, refer to detail
Debug Mode: Hardware and Software Debug...
0
1
Normal
—
0
1
0
Standby
—
0
1
Stop, Watchdog OFF (32)
—
0
1
Stop, Watchdog ON (32)
—
1
0
Sleep (33)
—
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCZ33989EG | 制造商:Freescale Semiconductor 功能描述:IC SYSTEM BASIS W/CAN TRANCEIVER |
| MCZ33989EGR2 | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC SBC-HS 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(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| MCZ33990EF | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC CLASS B SERIAL TRANS. 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(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| MCZ33990EF | 制造商:Freescale Semiconductor 功能描述:TRANCEIVER J-1850 CLASS B 8SOIC |
| MCZ33990EF/R2 | 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:Enhanced Class B Serial Transceiver |
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