Renesas Temporary Target Board M38517T-ADS Technical information

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User’s Manual
M38517T-ADS
User’s Manual
Temporary Target Board for M38507ARLSS and
M38517RSS
Rev.1.00 2003.09
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( 2 / 12 )
Contents
1. Things to Check When Unpacking ..................................................................................... 4
2. Outline ................................................................................................................................ 4
3. Specifications ..................................................................................................................... 4
4. Setting Up ........................................................................................................................... 5
4.1 Mounting an Emulator MCU ................................................................................ 5
4.2 Connecting the Emulation Pod .............................................................................. 6
4.3 Setting the Switches .............................................................................................. 7
5. Oscillator Circuit ................................................................................................................ 8
5.1 Oscillator Circuit Board ........................................................................................ 8
5.2 32.768kHz Oscillator Circuit ................................................................................ 8
6. Reset Circuit ....................................................................................................................... 9
7. Pin Layout ........................................................................................................................ 10
( 3 / 12 )
1. Things to Check When Unpacking
The M38517T-ADS package consists of the following products. When unpacking your package,
check to see that all of these components are included.
Table 1.1 Package components
Content
Temporary target board
User's manual
M38517T-ADS
M38517T-ADS User's manual (English/Japanese)
* If you find any item missing or faulty, or any suggestion, contact your local distributor.
2. Outline
The M38517T-ADS is a temporary target board used to develop software with a PC4701 emulator
system. It supplies to the emulator MCU the minimum required signals needed to operate the
emulator MCU, including power supply voltage, clock signals and reset signals. Use it when the
target system is not ready.
3. Specifications
Table 3.1 lists specifications of the M38517T-ADS.
Table 3.1 Specifications of the M38517T-ADS
Item
Content
Applicable MCU
M38507ARLSS, M38517RSS
Clock
4.0MHz oscillator mounted (oscillator circuit board OSC-2 used)
32.768 kHz (can be disconnected by SW1)
Power supply voltage
2.7 V to 5.5 V (supplied separately*)
RESET
• Reset circuit mounted (power-on reset and reset switch)
• Connects the reset output of an emulation pod
External dimensions
Others
Width
90 mm
Depth
115 mm
Universal part prepared
* Power cannot be supplied from the emulation pod for PC4701 (e.g. M38000TL2-FPD). A
separate power supply is needed.
( 4 / 12 )
4. Setting Up
This chapter describes how to set up the M38517T-ADS.
CAUTION
Note on Setting Up:
• Always shut OFF power before connecting this product. The power ON state could
destroy internal circuits.
4.1 Mounting an Emulator MCU
Mount an emulator MCU on the M38517T-ADS. After checking the position of the No. 1 pin of the
emulator MCU, mount the emulator MCU referencing Figure 4.1.
Figure 4.1 Position of No. 1 pin of an M38517T-ADS's emulator MCU
( 5 / 12 )
4.2 Connecting to the Emulation Pod
(1) Insert the connector on the tip of the emulation pod probe to the socket on the emulator MCU.
(2) Connect the cables of the M38000TL2-PSW2 as shown in Table 4.1 depending on the emulator
MCU you use.
Do not connect the Vcc cable (yellow) to pin Vcc (TP1).
Table 4.1 Connector cables of the M38000TL2-PSW and applicable signals
Cable color
Signal
For M38507ARLSS
For M38517RSS
White
RESET
TP3
TP3
Black
Vss
TP2
TP2
Yellow
Vcc
TP1
No connection
(3) Set the MCU type selection switch (SW1) of the M38000TL2-FPD as shown in Table 4.2.
Table 4.2 Settings of the SW1 of the M38000TL2-FPD
M38000TL2-FPD SW1
M38507ARLSS
M38517RSS
RLSS/RLFS
RSS/RFS
(4) Connect a power supply (not included) to pin Vcc (TP1) of the M38517T-ADS. And connect the
GND output of the power supply to pin Vss (TP2). Use the power supply whose rising time is 10
ms or less.
Figure 4.2 Connecting the M38507ARLSS
( 6 / 12 )
Figure 4.3 Connecting the M38517RSS
4.3 Setting the Switches
Set the switches SW1 to SW3 according to your applications. Table 4.3 describes the functions of
the switches SW1 to SW3.
Table 4.3 Functions of the switches SW1, SW2 and SW3
No.
Name
Function
Factory-setting
SW1
PORT/XCIN
Allows you to choose whether to supply the sub-clock
signals (32.768 kHz) to the MCU's XCIN pin (pin 16).
To use pin P21/XCIN as an I/O port, choose the PORT
side.
To use the sub-clock signals, choose the XCIN side.
PORT
SW2
VREF
Allows you to choose whether to apply Vcc or some
other source to the MCU's VREF pin (pin 2). In the
case of the latter, choose the J1-2 side, and apply a
voltage within a prescribed range to the J1-2.
Vcc
SW3
CNVss
Allows you to choose which to connect, Vcc or Vss, to
the MCU's CNVss (pin 15).
Vss
( 7 / 12 )
5. Oscillator Circuit
5.1 Oscillator Circuit Board
The M38517T-ADS has a built-in oscillator circuit board on which a 4.0MHz oscillator is mounted.
Figure 5.1 shows an external view of the OSC-2 oscillator circuit board (bare board) and where
connector pins are located. Figure 5.2 shows the circuitry of the OSC-2 oscillator circuit board (bare
board). Use the number of oscillator circuits recommended by the oscillator manufacturer.
J1-4: GND
J1-3: Oscillator output
J1-2: GND
J1-1: VCC (5 V)
Bypass capacitor
Figure 5.1 External view of the oscillator board (OSC-2) and connector pin assignment
IC1
11
IC1
10
CLK
8
9
J1-3
R1
*
*
X1 ,X 2
C2
*
X3
Vcc
2
1
R2
C1
3
4
5
6
7
13
12
GND
IC1
* X1: 5.08-mm-pitch 2-pin oscillator
* X2: 2.54-mm-pitch 2-pin oscillator
* X3: 2.54-mm-pitch 3-pin oscillator
C3
J1-1
14
IC1
J1-2
J1-4
GND
IC1: Inverter (Unbuffer)
Figure 5.2 Circuit of the oscillator board (OSC-2)
5.2 32.768kHz Oscillator Circuit
The 32.768kHz oscillator circuit is prepared on the M38517T-ADS. When using the 32.768kHz
oscillator circuit as a sub-clock, set the short-circuit connector of the SW1 to the XCIN side.
( 8 / 12 )
6. Reset Circuit
Figure 6.1 shows the reset circuit and its waveform. In this product, reset is cleared in about 100 ms
from the instant Vcc passes about 2.1 V after having started from 0 V. When Vcc drops down to about
2.1 V, reset turns effective.
Detected power voltage (V)
About 1.25 x (R3 + R4) / R4
Figure 6.1 Reset circuit and its waveform
By using the switch SW4, the MCU can be reset manually.
Table 6.1 Function of SW4 (reset switch)
No.
Name
SW4
RESET
Function
This is the reset switch. Press down this switch to reset the MCU.
( 9 / 12 )
7. Pin Layout
Figure 7.1 shows the pin layout of the M38517T-ADS.
Figure 7.1 Pin layout of the M38517T-ADS
( 10 / 12 )
M38517T-ADS User's Manual
Rev.1.00
September 1, 2003
REJ10J0340-0100Z
COPYRIGHT ©2003 RENESAS TECHNOLOGY CORPORATION
AND RENESAS SOLUTIONS CORPORATION ALL RIGHTS RESERVED
M38517T-ADS
User’s Manual
1753, Shimonumabe, Nakahara-ku, Kawasaki-shi, Kanagawa 211-8668 Japan
REJ10J0340-0100Z