Diagrams; Ic Pin Function Description - Sony D-FJ75TR Service Manual

5-1. IC PIN FUNCTION DESCRIPTION

• IC801 TMP88CM22F-TR1 (MICRO COMPUTER)
Pin No. Pin Name
1 VSS
2 NC
3 FOK_1
4
AGCPWM_O
5 NC
6 NC
7 AMUTE_O
8 VCC2ON_O
9 XRST_O
10 SCK_O
11 MSDTI_I
12 MSDTO_O
13 WAKEUP_O
14 AD_SEL
15 AD_CHGMNT
16 AD_KEY2
17
AD_BATMNT
18 AD_KEY
19 AD_RMKEY
20 AD_DCINMNT
21 WP_OPEN
22
VREFL
23 VREFH
24 VDD
25 SCOR_I
26 GRSCOR_I
27 SPDL-MTR/FG_I
28 BEEP_O
29 NC
30 RMSCK_O
31 RMDATI_I
32 RMDATO_O
33 RMRW_O
34 RMRAT_O
35
WFCK_I
36 COMPON_I
37 SLVCD_I
38 AVLS_I
39 HOLD_I
40 BATDET_I
41 DSP_SEL_I
42 XHGON_I
43 XLAT_O
44 XSOE_O
45 VOL_LT_O
46 XPOWLT_O
47 XDOUTON_O
48 XAPC_OFF_O
49 NC
50 — 68 SEG14 — 0
I/O
— Digital GND
I/O —
I FOK input
O AGC PWM control (f=7.8kHz)
O XWRE monitor (for debug purpose on)
O XQOK monitor (for debug purpose on)
O Analog mute on
O VCC2 switching
O System reset
O Serial clock to CXD3027R
I Serial input from CXD3027R
O Serial output to CXD3027R
O CXD3027R wake up
I Mode selection
I Charging monitor
I Set key detection
I Battery monitor
I Lid key detection
I Remocon key detection
I DC-in monitor
I Lid-open detection
— Analog GND for A/D
— Analog Vdd for A/D
— Digital Vcpu
I SCOR input
I GRSCOR input
I WFCK input
O BEEP sound (2.06kHz, 50% duty)
O —
O Serial clock to CXD751
I Serial input from CXD751
O Serial output to CXD751
O CXD751 readwrite selection
O CXD751 serial data latch
I —
I G-protection selection
I/O —
I AVLS selection
I HOLD selection
I Bottom cell detection
I "H": CXD3027R, "L": CXD3037R
O Pick-up Vcc control
O CXD3027R serial data latch
O CXD3027R serial data output enable
O Analog switch on when L/O inserted
O TB2119F serial data latch
O Digital out LED control
O APC mute
— —
— LCD segment output
SECTION 5

DIAGRAMS

Description
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