KDC-9026R/PSW9527
KDC-W9027/X979
12
MICROCOMPUTER’S TERMINAL DESCRIPTION
Pin No.
Pin Name
I/O
Description / Processing Operation
29
PON
O
Power ON/OFF control (L : Power OFF)
30~32
NC
-
NC
33
EVSS
-
GND
34
EVDD
-
VDD
35
SYS_SDA
I/O
System I2C data input / output terminal
36
SYS_SCL
I/O
System I2C clock input / output terminal
37
MUTE_L
O
Lch audio mute control (L : MUTE OFF)
38
MUTE_R
O
Rch audio mute control (L : MUTE OFF)
39
PIC_SEL
I
PICKUP selector (L : KCP8C)
40
E2P_WR
I
Writing condition for E2PROM (L : NORMAL)
41
ASEL
I
Audio output detector (L : noninverted signal output)
42
SHOCK_SEL
I
SHOCK PROOF selector (L : Consist in data for buffer memory)
43,44
NC
-
NC
45
M_REM
O
Memory remaining amount monitor output (L : Memory remaining amount less than 75%)
46
NC
-
NC
47~50
TEST1-4
I
TEST MODE1-4
51~57
NC
-
NC
58
FG
-
NC
59
DSP_RESET
O
DSP reset control terminal (L : RESET)
60
CS
O
Chip select control (L : ON)
61
WAIT
I
WAIT control signal detect terminal
62~64
NC
-
NC
65
WR0
O
Multiplex write signal output terminal
66
NC
-
NC
67
RD
O
Multiplex RD signal output terminal
Multiplex ASTB signal output terminal
AVR (3.3V)
Multiplex address/ data bus
Multiplex address/ bus
NC
Lch 0bit MUTE detector (L : MUTE OFF)
Rch 0bit MUTE detector (L : MUTE OFF)
89~99
NC
-
NC
100
HOT
I
Temperature rise detector (Detect voltage : 2.55V : 95
°
C, Release voltage : 2.47V : 90
°
C)
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299