參數(shù)資料
型號(hào)： MAX1455EVKIT-NS
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 10/25頁(yè)
文件大?。?/td> 0K
描述： EVAL KIT FOR MAX1455
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 1
主要目的： 接口，傳感器信號(hào)調(diào)節(jié)器
已用 IC / 零件： MAX1455
已供物品： 板
MAX1455
Low-Cost Automotive Sensor Signal
Conditioner
18
______________________________________________________________________________________
Example 2. Read the lookup table pointer (Temp-
Index).
COMMAND
ACTION
78hex
Load 7 to IRSP[3:0] register.
59hex
Read IRS.
Host ready to receive data within 1 byte time
of sending the Read IRS command. The
MAX1455 returns the current Temp-Index
pointer value.
Example 3. Enable BDR measurement on OUT pin for
3.4s duration with 9600 baud rate.
COMMAND
ACTION
1Bhex
Load 1 (BDR measurement) to ALOC[3:0]
register.
CAhex
Load 12 to the ATIM[3:0] register: (2
12+1)
8/9600 = 3.4s.
69hex
RdAlg.
The DIO pin is three-stated and the OUT pin
is connected internally to the BDR pin for a
duration of approximately 3.4s.
Example 4. Write 8C40hex to the FSODAC register.
COMMAND
ACTION
00hex
Load 0 hex to the DHR[3:0] register.
41hex
Load 4 hex to the DHR[7:4] register.
C2hex
Load C hex to the DHR[11:8] register.
83hex
Load 8 hex to the DHR[15:12] register.
36hex
Load 3 (FSODAC) to the ICRA[3:0] register.
09hex
Ld ICR.
8C40 hex is written to the FSODAC register.
Example 5. Write 8C40hex to the FSODAC lookup
table location at Temp-Index 40. This example uses
the Page Erase command to clear the relevant section
of the EEPROM and assumes that none of the existing
data in that section is required to be kept.
COMMAND
ACTION
A6hex
Load Ahex (page number corresponding to
EEPROM locations 280hex and 281hex) to
the IEEA[3:0] register.
79hex
Page Erase command.
Wait 7.1ms before sending any further
commands.
06hex
Load 0hex to the IEEA[3:0] register.
87hex
Load 8hex to the IEEA[7:4] register.
28hex
Load 2hex to the IEEA[9:8] (IRSP[3:0])
register.
00hex
Load 0hex to the DHR[3:0] register.
41hex
Load 4hex to the DHR[7:4] register.
19hex
Write EEPROM. 40hex is loaded to EEPROM
address 280hex, which is the low byte
location corresponding to a Temp-Index
pointer value of 40.
16hex
Load 1 to the IEEA[3:0] register. IEEA[7:4]
and IEEA[9:8] already contain 8 and 2,
respectively.
C0hex
Load Chex to the DHR[3:0] register.
81hex
Load 8hex to the DHR[7:4] register.
19hex
Write EEPROM. 8Chex is loaded to
EEPROM address 281hex, which is the high
byte location corresponding to a Temp-
Index pointer value of 40.
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