DS32C35 Maxim Integrated Products, Inc., DS32C35 Datasheet - Page 16
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DS32C35
Manufacturer Part Number
DS32C35
Description
Accurate I2c Rtc With Integrated Tcxo/crystal/fram
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.DS32C35.pdf
(22 pages)
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Temperature Registers (11h–12h)
Temperature is represented as a 10-bit code with a res-
olution of +0.25°C and is accessible at location 11h
and 12h. The temperature is encoded in two’s comple-
ment format. The upper 8 bits are at location 11h, and
the lower 2 bits are in the upper nibble at location 12h.
Upon power reset, the registers are set to a default
Accurate I
TCXO/Crystal/FRAM
Note: Unless otherwise specified, the state of the registers is not defined when power is first applied.
Note: Unless otherwise specified, the state of the registers is not defined when power is first applied.
16
ADDRESS
ADDRESS
1FFFh
000h
7FFh
000h
BIT 7
BIT 7
Data
Sign
____________________________________________________________________
:
:
BIT 7
BIT 7
D7
D7
D7
D7
:
:
BIT 6
BIT 6
Data
Data
2
BIT 6
BIT 6
C RTC with Integrated
D6
D6
D6
D6
:
:
BIT 5
BIT 5
Data
0
BIT 5
BIT 5
D5
D5
D5
D5
:
:
BIT 4
BIT 4
Data
BIT 4
BIT 4
0
D4
D4
D4
D4
:
:
BIT 3
BIT 3
temperature of 0°C and the controller starts a tempera-
ture conversion. New temperature readings are stored
in this register.
During a multibyte access, the address pointer wraps
around to location 00h when it reaches the end of the
register space.
D3
D3
D3
D3
:
:
Temperature Register (Lower Byte) (12h)
BIT 3
BIT 3
Temperature Register (Upper Byte) (11h)
Data
0
BIT 2
BIT 2
D2
D2
D2
D2
:
:
BIT 2
BIT 2
Data
0
BIT 1
BIT 1
D1
D1
D1
D1
:
DS32B35 FRAM Register Map
DS32C35 FRAM Register Map
:
FRAM Address Map
BIT 1
BIT 1
Data
BIT 0
BIT 0
0
D0
D0
D0
D0
:
:
RANGE
RANGE
00–FF
00–FF
00–FF
00–FF
BIT 0
BIT 0
Data
0
:
: