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参数资料
| 型号： | YMU759 |
| 厂商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 1-2 CABLE/SATELLITE TV SPLITTER, 2GHZ |
| 中文描述： | 合成芯片的手提电话 |
| 文件页数： | 13/18页 |
| 文件大小： | 394K |
| 代理商： | YMU759 |
YMU759
-4-
Terminal functions
No.
Name
I/O
Function
1CLKI
Ish
Clock input (2
~20MHz)
2
EXT1
O
External device control terminal 1
(*)
3/IRQ
O
Interruption output
4/RST
Ish
Hardware reset input
5
IFSEL
I
CPU I/F selection
L: Serial I/F,
H: Parallel I/F
6
PLLC
A
Connection of capacitor for built in PLL
Connect the 3.3k
resistance and the 1000pF capacitor between this terminal
and VSS in series.
7VDD
-
Digital power supply (Typically +3.0V)
Connect 0.1
F and 4.7 F capacitors between this terminal and VSS
8VSS
-
Ground
9VREF
A
Analog reference voltage.
Connect 0.1
F capacitor between this terminal and VSS
10
HPOUT-L / MONO
A
Headphone L channel output: can be switched to mono through register setting
11
HPOUT-R
A
Headphone R channel output
12
EQ1
A
Equalizer terminal 1
13
EQ2
A
Equalizer terminal 2
14
EQ3
A
Equalizer terminal 3
15
SPVDD
-
Analog power supply (Typically +3.6 V)
Connect 0.1
F and 4.7 F capacitors between this terminal and SPVSS
16
SPVSS
-
Analog ground for speaker amplifier
17
SPOUT1
A
Speaker terminal 1
18
SPOUT2
A
Speaker terminal 2
19
EXT2
O
External device control terminal 2
(*)
20
D7
I/O
Parallel I/F data bus 7
(*)
21
D6
I/O
Parallel I/F data bus 6
(*)
22
D5
I/O
Parallel I/F data bus 5
(*)
23
D4
I/O
Parallel I/F data bus 4
(To be open when IFSEL=L)
24
D3
I/O
Parallel I/F data bus 3
(To be open when IFSEL=L)
25
D2
I/O
Parallel I/F data bus 2
(To be open when IFSEL=L)
26
D1
I/O
Parallel I/F data bus 1
(To be open when IFSEL=L)
27
D0
I/O
Parallel I/F data bus 0
(To be open when IFSEL=L)
28
/WR
Ish
Parallel I/F write pulse
(To be open when IFSEL=L)
29
SDIN (/CS)
Ish
IFSEL= L
Serial I/F data input
IFSEL= H
Parallel I/F chip select input
30
SYNC (A0)
Ish
IFSEL= L
Serial I/F data decision signal
IFSEL= H
Parallel I/F address signal
31
SCLK (/RD)
Ish
IFSEL= L
Serial I/F bit clock input
IFSEL= H
Parallel I/F read pulse
32
SDOUT
OD
Serial I/F data output (Pull up resistance is necessary for the outside)
Comment: Ish= Schmitt input, OD= open drain terminal, A= Analog terminal
(*) The function changes by setup of the register.
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