參數(shù)資料
型號(hào): 73M1822-KEYCHN
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 4/82頁(yè)
文件大?。?/td> 0K
描述: BOARD KEYCHAIN 73M1822 42-QFN
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: *
嵌入式: *
已用 IC / 零件: *
主要屬性: *
次要屬性: *
已供物品: 板,CD
73M1822/73M1922 Data Sheet
DS_1x22_001
12
Rev. 1.6
Pin
Number
Pin Name
Type
Description
14
SCKM
I
Controls the SCLK behavior after
FS. Weak-pulled high –
default = continuous SCLK
15
VNM/VNT
GND
Negative barrier interface/transformer supply
16
M/
S
I
Master/slave control, reset at a transition
17
PRM
I/O
Pulse transformer primary minus
18
PRP
I/O
Pulse transformer primary plus
19
RST
I
Factory test mode – leave open
20
VPD
PWR
Positive digital supply, positive transformer supply
21
LEV
O
Test output (CMOS level)
22
INT/RGDT
O
Ring detection indicator or other Interrupts.
Open drain
23
SCLK
O
Serial interface clock. With continuous SCLK selected,
Frequency = 256
Fs (=1.8432MHz for Fs=7.2kHz, 2.048MHz
for Fs=8kHz)
24
VND
GND
Negative digital ground
25
SDIN
I
Serial data input (or output from the controller to 73M1902)
26
SDOUT
O
Serial data output (or input to the controller from 73M1902)
27
VPD
PWR
Positive digital supply, positive transformer supply
28
FSD
O
FS delayed
29
FS
O
Frame synchronization
30
VND
GND
Negative digital ground
31
GPIO7
I/O
Configurable digital input/output pins
32
GPIO6
I/O
Configurable digital input/output pins
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