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| E1 Datasheet, PDF (36/50 Pages) Renesas Technology Corp – E1/E20 Emulator | |||
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E1/E20 Emulator
Designing the User System
2.6. Internal Circuits of the Emulator
2.6.1. Internal Circuits of the E1 Emulator (RX600 series, JTAG Interface Connection)
Figure 2.26 show the internal circuits of the E1 emulator differing with RX600 series JTAG Interface Connection.
Power-supply
circuit
(only for use in
the mode to
supply power to
the user system)
74LVC125
74LVC125
3.3V
74LVC2T45
74LVC125
74LVC125
74LVC125
74LVC8T245
100kΩ x5
22Ω Noise filter
22Ω
NFL21SP
22Ω
22Ω Noise filter
NFL21SP
22Ω Noise filter
NFL21SP
22Ω
10kΩ
1kΩ
100kΩ
User-side
connector
VCC 8
TCK 1
TRST# 3
TDO 5
TMS 9
TDI 11
(EMLE)*1
4
100kΩ x2
Emulator
control
circuit
74LVC125
74LVC8T245
74LVC125
74LVC8T245
74LVC125
3.3V
22Ω
22Ω
22Ω
3.3V
100kΩ
DTC142EE
470Ω
DTC142EE
(MD1)*1 *2 7
(MD0)*1 *2 10
GND 14
74LVC8T245
22Ω
RES# 13
GND
Self-recovering
fuse
2, 12
6
Figure 2.26 Internal Circuit of the E1 Emulator in JTAG Interface Connection (RX600 Series)
Notes: 1.
2.
The signals marked with () operate even if they are not connected to the user system.
When using MCUs of RX63x and Rx64x Groups, read âMD1â pin as âMDâ pin, and âMD0âpin as
âUBâ pin.
R20UT0399EJ0700 Rev.7.00
Feb 01, 2014
Page 36 of 50
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