FS5908

Rev. 1.2

5/22

7.

Functional Block Diagram

( SMBus Format )

A0

SC L

SD A

PR OM

Co n t r o l Re g .

= R E G 6< 7:2> < - - P R O M 9< 7: 2>

PROM1<7:0>

~

PROM7<7:0>

S t at es R eg .

RE G 1 <7 : 0 >

D igit a l S ili c o n

Te m pe r a t ur e

S e ns or

T data Calculation

Te

Td a t a

TeA<11:0> = OTP1<7:0>+OTP2<7:4> <-- PROM1<7:0> + PROM2<7:4>

TdA<10:0> = OTP2<2:0>+OTP3<7:0> <-- PROM2<2:0> + PROM3<7:0>

GAIN<11:0> = OTP4<7:0>+OTP5<7:4> <-- PROM4<7:0> + PROM5<7:4>

CS

VD D

VS S

TLo wLi m <10 : 0 >

= O TP 8 <7 : 5 >+O TP 6 <7 : 0 > <- - P R O M8 <7 : 5 > + P R O M6 <7 : 0 >

TU pL i m <1 0: 0>

= O TP 8 <4 : 2 >+O TP 7 <7 : 0 > <- - P R O M8 <4 : 2 > + P R O M7 <7 : 0 >

R E G 0< 10: 0> = T dat a @ s et_adc o= 0

R E G 0< 11: 0> = T e @ s et_adc o= 1

Td a t a

AL AR M

TU pLi m

TLow Li m

AL AR M

addl oc k= 1

A 6 ~ A 1 <-- 10 01 00

addl oc k= 0