M37549T-RLSS
Emulator MCU Board for 7548/7549 Group
User’s Manual
If the requirements shown in the "CAUTION" sentences are ignored,
the equipment may cause personal injury or damage to the products.
CAUTION
Rev.1.00
Jul. 10, 2007
(1/4)
REJ10J1444-0100
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5. Connection Procedure to the user system
Connect the emulation probe to the connector on the upper panel of the M37549T-RLSS. Connect the M37549T-RLSS to the 42-pin
SDIP socket on the user system. Table 2 shows pin allocation of the M37549T-RLSS, and Figure 2 shows connector dimensions.
Table 2 CN1 connector pin allocation
Pin No
1
2
3
4
5
6
7
8
Signal
N.C
N.C
N.C
P14/AN4/KEY4
P15/AN5/KEY5
RESET
P16/AN6/KEY6
P17/AN7/KEY7
N.C
N.C
N.C
P20/Xout/Xcout
Vss
P21/Xin/Xcin
Vcc
Pin No
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
Signal
N.C
N.C
P13/AN3/KEY3
P12/AN2/CMP2
P11/AN1/CMP1
P10/AN0/CMP0
P31
P30
Reserved
Reserved
Reserved
9
10
11
12
13
14
15
16
17
18
19
20
21
Reserved
P07(LED7)/Srdy
P06(LED6)/Sclk
P05(LED5)/TxD
P04(LED4)/RxD
P03(LED3)/CAP0
P02(LED2)
N.C
CNVss
P00(LED0)/INT0
P01(LED1)/INT1
N.C
N.C
Vss
N.C
N.C
* Do not connect signal to Reserved parts.
15.24
1
42
1.778
21
22
Figure 2 CN connector dimensions
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6. Oscillator Circuit
This product has two oscillator circuit patterns for the main clock XIN and sub-clock XCIN. The oscillator circuit on the user system
may not work properly because the oscillator circuit pin of the emulator MCU is not close enough to the oscillator circuit of the user
system. In this case, mount the oscillator circuit on the oscillator circuit pattern of the M37549T-RLSS.
Figures 3, 4 and 5 show the M37549T-RLSS circuit pattern and diagram.
JP2
JP3
JP2
JP3
R2
C1
C2
R3
C2
X1
X2
C1
R3
X2
Rd
Figure 3 When a ceramic oscillator with built-in capacitor is used for Xin/Xout
Capacitor
JP2
JP3
JP2
JP3
R2
C1
R3
C2
X1
C2
X2
C1
R3
X2
Rd
Figure 4 When a ceramic oscillator without built-in capacitor is used for Xin/Xout
Rf
Capacitor
JP2
JP3
JP2
R2
JP3
R2
C1
R3
C2
X1
X1
C1
C2
R3
X 2
Rd
Figure 5 When Xcin/Xcout is used as a circuit
7. Precautions
IMPORTANT
Notes on This Product:
z We cannot accept any request for repair.
z When using the oscillator circuit on the M37549T-RLSS, check output waveform of pin Xout and pin Xcout with an
oscilloscope.
z When mounting an oscillator circuit on the M37549T-RLSS, make sure not to short-circuit the user system.
z For inquiries about the product or the contents of this manual, contact your local distributor.
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