参数资料
型号: MCZ33903BS5EK
厂商: Freescale Semiconductor
文件页数: 84/106页
文件大小: 0K
描述: IC SBC CAN HS 5.0V 32SOIC
标准包装: 42
应用: 系统基础芯片
接口: CAN,LIN
电源电压: 5.5 V ~ 28 V
封装/外壳: 32-SSOP(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
79
33903/4/5
SERIAL PERIPHERAL INTERFACE
DETAIL OF CONTROL BITS AND REGISTER MAPPING
Table 34. CAN Register(42)
MOSI First byte [15-8]
[b_15 b_14] 10_000 [P/N]
MOSI Second Byte, bits 7-0
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
01 10_ 000P
CAN mod[1]
CAN mod[0]
Slew[1]
Slew[0]
Wake-up 1/3
-
CAN int
Default state
1
0
-
0
Condition for default
note
POR
Bits
Description
b7 b6
CAN mod[1], CAN mod[0] - CAN interface mode control, Wake-up enable / disable
00
CAN interface in Sleep mode, CAN Wake-up disable.
01
CAN interface in receive only mode, CAN driver disable.
10
CAN interface is in Sleep mode, CAN Wake-up enable. In device LP mode,
CAN Wake-up is reported by device Wake-up. In device Normal mode, CAN Wake-up reported by INT.
11
CAN interface in transmit and receive mode.
b5 b4
Slew[1] Slew[0] - CAN driver slew rate selection
00/11
FAST
01
MEDIUM
10
SLOW
b3
Wake-up 1/3 - Selection of CAN Wake-up mechanism
0
3 dominant pulses Wake-up mechanism
1
Single dominant pulse Wake-up mechanism
b0
CAN INT - Select the CAN failure detection reporting
0
Select INT generation when a bus failure is fully identified and decoded (i.e. after 5 dominant pulses on TxCAN)
1
Select INT generation as soon as a bus failure is detected, event if not fully identified
Notes
42.
The first time the device is set to Normal mode, the CAN is in Sleep Wake-up enabled (bit7 = 1, bit 6 =0). The next time the device is
set in Normal mode, the CAN state is controlled by bits 7 and 6.
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