参数资料
型号: MC15XS3400CPNAR2
厂商: Freescale Semiconductor
文件页数: 35/52页
文件大小: 0K
描述: IC SWITCH HIGH SIDE QUAD 24-QFN
标准包装: 1,200
类型: 高端开关
输出数: 4
Rds(开): 15 毫欧
内部开关:
电流限制: 5A
输入电压: 6 V ~ 20 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 24-PowerQFN
供应商设备封装: 24-PQFN(12x12)
包装: 带卷 (TR)
FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
The 15XS3400 successfully meets the Class 5 of the
CISPR25 emission standard and 200V/m or BCI 200 mA
injection level for immunity tests.
LOGIC COMMANDS AND REGISTERS
SERIAL INPUT COMMUNICATION
SPI communication is accomplished using 16-bit
messages. A message is transmitted by the MCU starting
with the MSB D15 and ending with the LSB, D0 ( Table 10 ).
Each incoming command message on the SI pin can be
interpreted using the following bit assignments: the MSB,
D15, is the watchdog bit (WDIN). In some cases, output
selection is done with bits D14 : D13. The next three bits,
D12: D10, are used to select the command register. The
remaining nine bits, D8 : D0, are used to configure and control
the outputs and their protection features.
Multiple messages can be transmitted in succession to
accommodate those applications where daisy-chaining is
desirable, or to confirm transmitted data, as long as the
messages are all multiples of 16 bits. Any attempt made to
latch in a message that is not 16 bits will be ignored.
The 15XS3400 has defined registers, which are used to
configure the device and to control the state of the outputs.
Table 11 summarizes the SI registers.
Table 10. SI Message Bit Assignment
Bit Sig
MSB
LSB
SI Msg Bit
D15
D14 : D13
D12 : D10
D9
D8:D0
Message Bit Description
Watchdog in: toggled to satisfy watchdog requirements.
Register address bits used in some cases for output selection ( Table 12 ).
Register address bits.
Not used (set to logic [0]).
Used to configure the inputs, outputs, and the device protection features and SO status content.
Table 11. Serial Input Address and Configuration Bit Map
SI Data
SI
Register
D15
D1
4
D13
D1 D1 D1
2 1 0
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
STATR_s
WDI
X
X
0
0
0
0
0
0
0
0
SOA4
SOA3
SOA2
SOA1
SOA0
N
PWMR_s WDI
N
CONFR0_ WDI
s N
A 1
A 1
A 0
A 0
0
0
0
1
1
0
0
0
28W_s
0
ON_s
0
PWM6_s
0
PWM5_s
DIR_dis_s
PWM4_s
SR1_s
PWM3_s
SR0_s
PWM2_s
DELAY2_s
PWM1_s
DELAY1_s
PWM0_s
DELAY0_s
CONFR1_ WDI
s N
A 1
A 0
0
1
1
0
0
0
Retry_
unlimited_s
Retry_dis_s OS_dis_s OLON_dis_s OLOFF_dis_ OLLED_en CSNS_ratio
s _s _s
OCR_s
WDI
N
A 1
A 0
1
0
0
0
Xenon_
s
BC1_s
BC0_s
OC1_s
OC0_s
OCHI_s
OCLO1_s
OCLCO0_s OC_mode_
s
GCR
WDI
0
0
1
0
1
0
VDD_F PWM_en CLOCK_sel TEMP_en
CSNS_en
CSNS1
CSNS0
X
OV_dis
N
AIL_en
CALR
WDI
0
0
1
1
1
0
1
0
1
0
1
1
0
1
1
N
Register
0
0
0
X
X
X
0
0
0
0
0
0
0
0
0
0
s tat e after
RST=0 or
V DD(FAIL)
or
V SUPPLY(P
OR)
condition
x = Don’t care.
s = Output selection with the bits A 1 A 0 as defined in Table 12 .
15XS3400
Analog Integrated Circuit Device Data
Freescale Semiconductor
35
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