Ic Pin Function Description - Sony ICD-BP100 Service Manual

3-15. IC PIN FUNCTION DESCRIPTION

• IC712 MB90F523APF-G-116-BND (SYSTEM CONTROL)
Pin No. Pin Name I/O
1 RTC CE O
2 BEEP O
3 XFLMRE O
4 XFLMWE O
5 FLMRB
6 DSPPWR O
7 ADASYSCK O
8 VCC
9 DSPSYSCK O
10 XZRST O
11 DSPACK O
12 XDIFEN O
13 DCOMDT O
14 SIN1
15 SOT1 O
16 SCK1 O
17-32 SEG00-15 O
33 VSS
34 C
35 SIN2
36 SOT2 O
37 SCK2 O
38 DVCC
39 DVSS
40 ZIFACK O
41 SIPCS O
42 AVCC
43 AVRH
44 AVRL
45 AVSS
46 BATT
47 KEYIN0
48 KEYIN1
49 SPEED
50 XVORSW
51 HPJACK
52 FLMSEL
53 KEYPUP O
54 VCC
55 FLMALE O
56 FLMCLE O
57 XVORIN
58 XDSPRST O
59-62 COM0-3 O
63 VSS
64-72 SEG16-24 O
73 SUBXTAL O
74 SUBXTAL
75-81 SEG25-31 O
82-85 V0-3
Real time clock chip enable signal output.
Beep signal output.
Flash memory read enable signal output.
Flash memory write enable signal output.
I Flash memory R/B signal input.
DSP power output.
ADA codec system clock output.
– Power terminal.
DSP system clock output.
Zephy reset signal output.
DSP I/F ackowledge signal output.
DSP I/F enable signal output.
DSP I/F command/data output.
I DSP I/F serial data input.
DSP I/F serial data output.
DSP I/F serial clock output.
LCD segment signal output.
– Ground terminal.
– C (connected to power terminal.)
I Zephy/RTC I/F serial data input.
Zephy/RTC I/F serial data output.
Zephy/RTC I/F serial clock output.
– Digital power terminal.
– Digital ground terminal.
Zephy I/F acknowledge signal output.
Serial-to-parallel converter IC I/F chip enable signal output.
– Analog power terminal.
– A/D reference voltage H (connected to VCC).
– A/D reference voltage L (connected to ground terminal).
– Analog ground terminal.
I Battery level detection A/D input.
I KEY A/D input 0.
I KEY A/D input 1.
I Speed SW A/D input 0.
I VOR SW input (LOW : VOR SW ON)
I Headphones jack ON/OFF input.
I Flash memory selection A/D input.
KEY pull-up signal output.
– Power terminal.
Flash memory address latch enable signal output (AND : OE).
Flash memory command enable signal output (AND : CDE).
I VOR signal input.
DSP reset signal output.
LCD common signal output.
– Ground terminal.
LCD segment signal output.
Sub clock oscillator terminal (not used).
I Sub clock oscillator input terminal (32.768kHz).
LCD segment signal output.
– LCD drive reference voltage terminal.
ICD-BP100/BP120
Description
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