MAX6902ETA-T MAXIM [Maxim Integrated Products], MAX6902ETA-T Datasheet - Page 12

• Manufacturer Part Number: MAX6902ETA-T
• Description: SPI-Compatible RTC in a TDFN
• Manufacturer: MAXIM [Maxim Integrated Products]

SPI-Compatible RTC in a TDFN
Figure 3b. Burst Write
Figure 4a. Single Read
Figure 4b. Burst Read
12
CS
SCLK
DIN
DOUT
* R = RAM/REGISTER SELECT BIT; RAM = 1, REGISTER = 0.
** ONLY ONE ADDRESS/COMMAND BYTE IS REQUIRED PER BURST TRANSACTION.
CS
SCLK
DIN
DOUT
* R = RAM/REGISTER SELECT BIT; RAM = 1, REGISTER = 0.
** ONLY ONE ADDRESS/COMMAND BYTE IS REQUIRED PER BURST TRANSACTION.
______________________________________________________________________________________
1
* R = RAM/REGISTER SELECT BIT; RAM = 1, REGISTER = 0.
0
R*
R*
ADDRESS/COMMAND BYTE**
CS
SCLK
DIN
DOUT
1
1
HIGH IMPEDANCE
ADDRESS/COMMAND BYTE**
1
1
1
1
1
R*
HIGH IMPEDANCE; NO ACTIVITY ON DOUT LINE DURING WRITES.
1
1
A5
ADDRESS/COMMAND BYTE
HIGH IMPEDANCE
1
1
A4
1
1
A3
D7
D7
A2
D6
D6
D5
A1
D5
DATA BYTE 1
D4
DATA BYTE 1
D4
1
D3
D3
D7
D2
D2
D6
D1
D1
D5
D0
D0
D4
D7
D7
DATA BYTE
D3
D6
D6
D2
D5
D5
D1
DATA BYTE N
DATA BYTE N
D4
D4
D0
D3
D3
D2
D2
D1
D1
D0
D0