參數(shù)資料
型號(hào): CXD2931R-9
英文描述: RF/BASEBAND CIRCUIT|CMOS|QFP|144PIN|PLASTIC
中文描述: 射頻/基帶電路|的CMOS | QFP封裝| 144Pin支持|塑料
文件頁數(shù): 6/27頁
文件大?。?/td> 264K
代理商: CXD2931R-9
6
CXD2931R-9/GA-9
Pin Configuration
Pin
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
Symbol
AVD
AVIN
VRT
VRB
AVS
Vss
TCXO
XTCXO
V
DD
OTCXO
TEST0
TEST1
CCKI
CCKO
Vss
ICST0
ICST1
IF0
IF0O
TCXOS
V
DD
HOLD
NMI
PMI
HOLDA
IODBK
EXRS
PWRST
Vss
CLKI
CLKO
CLKS
CLKOUT
V
DD
RUN
IWR
IRD
I/O
I
I
I
I
O
O
I
I
I
O
I
I
I
O
I
I
I
I
O
O
I
I
I
O
I
O
O
O
O
Description
A/D converter power supply.
Analog input.
Reference input.
A/D converter GND.
GND
TCXO binary conversion circuit/crystal oscillator.
Power supply.
TCXO clock output.
Test. (Low level fixed)
Timer oscillation. (32.768kHz ± 100ppm)
GND
Test. (Low level fixed)
IF signal binary conversion circuit.
TCXO select. (Low: TCXO/2, High: TCXO through)
Power supply.
Hold input signal. (High: Hold)
Non maskable interrupt.
Program maskable interrupt.
Hold acknowledge signal.
Break signal for debugging.
Reset input signal.
Connect to main power supply. Leave open during backup.
GND
CPU clock oscillation circuit.
CPU clock select signal. (Low: TCXO, High: CLKI)
CPU clock output.
Power supply.
Signal indicating CPU operating status.
Write signal for external expansion memory.
Read signal for external expansion memory.
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