Philips VAD8041, Service Manual

Page: 36 / 52

Circuit Descriptions, Abbreviation List, and Data Sheets EN 36 VAD8041 9.
Table 1: Pin description
Symbol Pin Description
VIH 1 Satellite segment H input
GND1 2 Ground
VIC 3 Central segment C input
VIB 4 Central segment B input
GND1 5 Ground
RFNIN 6 Inverse differential RF input /
Single-ended RF read input
RFPIN 7 Differential RF input/
Single-ended RF write input
VDD1 8 Positive supply
VID 9 Central segment D input
VIA 10 Central segment A input
VDD1 11 Positive supply
VIE 12 Satellite segment E input
VIG 13 Satellite segment G input
RWOUT 14 R/W signal output
SDA 15 Data input/output
I
2
C
SCL 16 Clock input
I
2
C
SILD 17 Strobe line of serial bus interface
SIDA 18 Data line of serial bus interface
SICL 19 Clock line of serial bus interface
TIMOUT 20 EFMTIM test output
R/W 21 External Read/Write signal input
VDDD 22 Positive supply digital part
VSSD 23 digital ground
REF/ECN 24 Reference input for timing signals in EFMTIM bypass mode
[1]
/
Inverse EFM clock input
[2]
RS/ECP 25 RF sampling signal
[1]
/
EFM clock input
[2]
TH1/EDN 26 Segment sampling timing signal
[1]
/
Inverse EFM data input
[2]
TH2/EDP 27 Segment sampling timing signal
[1]
/
EFM data input
[2]
SERTST 28 Enable test mode (Tie to GND or leave open for normal operation)
VDD2 29 Positive supply voltage