参数资料
型号: MCZ33903BD5EK
厂商: Freescale Semiconductor
文件页数: 80/106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
75
33903/4/5
SERIAL PERIPHERAL INTERFACE
DETAIL OF CONTROL BITS AND REGISTER MAPPING
WATCHDOG AND MODE REGISTERS
.
Table 24. Timer Register C, Watchdog LP Mode or Flash Mode and Forced Wake-up Timer, TIM_C
MOSI First Byte [15-8]
[b_15 b_14] 01_100 [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 01_ 100 P
WD-LP-F[3]
WD-LP-F[2]
WD-LP-F[1]
WD-LP-F[0]
FWU[3]
FWU[2]
FWU[1]
FWU[0]
Default state
0
Condition for default
POR
Table 25. Typical Timing Values
Watchdog in LP VDD ON Mode (ms)
b7
b6, b5, b4
000
001
010
011
100
101
110
111
0
12
24
48
96
192
384
768
1536
1
16
32
64
128
256
512
1024
2048
Watchdog in Flash Mode (ms)
b7
b6, b5, b4
000
001
010
011
100
101
110
111
0
48 (def)
96
192
384
768
1536
3072
6144
1
256
512
1024
2048
4096
8192
16384
32768
Forced Wake-up (ms)
b3
b2, b1, b0
000
001
010
011
100
101
110
111
0
48 (def)
96
192
384
768
1536
3072
6144
1
64
128
258
512
1024
2048
4096
8192
Table 26. Watchdog Refresh Register, watchdog(41)
MOSI First Byte [15-8]
[b_15 b_14] 01_101 [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 01_ 101 P
0
Default state
0
Condition for default
POR
Notes
41.
The Simple Watchdog Refresh command is in hexadecimal: 5A00. This command is used to refresh the watchdog and also to
transition from INIT mode to Normal mode, and from Normal Request mode to Normal mode (after a wake-up of a reset)
Table 27. MODE Register, MODE
MOSI First Byte [15-8]
[b_15 b_14] 01_110 [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 01_ 110 P
mode[4]
mode[3]
mode[2]
mode[1]
mode[0]
Rnd_b[2]
Rnd_b[1]
Rnd_b[0]
Default state
N/A
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