SAA7806 Datasheet, PDF (5/73 Pages) NXP Semiconductors – One chip automotive CD audio device

Philips Semiconductors
SAA7806
One chip automotive CD audio device
5.2 Pin description
9397 750 13697
Objective data sheet
Table 2: Pin description
Symbol
Pin
V_SS(DACF)
1
V_SS(DACB)
2
BUF_OUT_L
3
BUF_OUT_R
4
V_DDA3
5
A_IN_1/GPIO0
6
A_IN_2/GPIO1
7
TX/GPIO_ANA
8
RX/GPIO_ANA
9
SDA
10
SCL
11
V_SSD1
12
RESET_N
13
V_DDD1
14
LKILL
15
RKILL
16
V_SSP1
17
DOBM
18
V_DDP1
19
SEG0/GPIO4
20
SEG1/GPIO5
21
SEG2/GPIO6
22
SEG3/GPIO7
23
SEG4/GPIO8
24
SEG5/GPIO9
25
SEG6/GPIO10
26
SEG7/GPIO11
27
SEG8/GPIO12
28
SEG9/GPIO13
29
V_LCD
30
SEG10/GPIO14
31
SEG11/GPIO15
32
SEG12/GPIO16
33
SEG13/GPIO17
34
SEG14/GPIO18
35
V_DD(LED)
36
SEG15/GPIO19
37
SEG16/GPIO20
38
SEG17/GPIO21/CL1 39
Type
P
P
AO
AO
P
AIBTS
AIBTS
AIBTS
AIBTS
B
B
P
IUH
P
BTSU
BTSU
P
OS
P
AIBTS
AIBTS
AIBTS
AIBTS
AIBTS
AIBTS
AIBTS
AIBTS
AIBTS
AIBTS
P
AOBS
AOBS
AOBS
AOBS
AOBS
P
AOBS
AOBS
AOBS
Description
audio DAC floating ground
audio DAC and buffer shared ground
audio buffer left output
audio buffer right output
positive supply voltage 3 for audio buffer
analog input 1 or general purpose I/O 0
analog input 2 or general purpose I/O 1
UART transmit or general purpose I/O
UART receive or general purpose I/O
I²C-bus interface data I/O line (open drain output)
I²C-bus interface clock line
digital core ground 1
Power-on reset (active LOW)
digital core supply 1
kill output for left channel (configurable as open drain)
kill output for right channel (configurable as open drain)
digital ground 1 for periphery (pads)
biphase mark output (no external buffer required)
digital supply 1 for periphery (pads)
LCD segment drive or general purpose I/O 4
LCD segment drive or general purpose I/O 5
LCD segment drive or general purpose I/O 6
LCD segment drive or general purpose I/O 7
LCD segment drive or general purpose I/O 8
LCD segment drive or general purpose I/O 9
LCD segment drive or general purpose I/O 10
LCD segment drive or general purpose I/O 11
LCD segment drive or general purpose I/O 12
LCD segment drive or general purpose I/O 13
LCD supply voltage (5 V supply)
LCD segment drive or general purpose I/O 14
LCD segment drive or general purpose I/O 15
LCD segment drive or general purpose I/O 16
LCD segment drive or general purpose I/O17
LCD segment drive or general purpose I/O18
LED supply voltage (3.3 V supply)
LCD segment drive or general purpose I/O 19
LCD segment drive or general purpose I/O 20
LCD segment drive or general purpose I/O 21 or clock
output for sampling channel decoder telemetry outputs
Rev. 01 — 20 June 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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