R0E00008AKCE00EP52 Datasheet, PDF (18/43 Pages) Renesas Technology Corp – Microcomputer Development Environment System

E8a Emulator
4. Examples of Pin Handling for Connecting the E8a
4.2 R32C/111 (64-pin and 80-pin)
4.2.1 Examples of pin handling for connecting the E8a (whole connection)
The following show examples of pin handling for connecting the E8a. When using the E8a as a programmer, the connection
specification between the E8a and the MCUs is the same as shown below.
- Single power supply and single-chip mode:
See Figure 4.12.
Vcc
Vcc
SCLK
RxD
TxD
BUSY
EPM
CE
Vcc Vcc
Pulled up at 4.7kΩ or more
P65 [*1]
P66
P67
P64 [*1]
P81 [*1]
P80 [*1]
MCU
CNVss
Vcc
CNVss
RESET#
User
*
logic
RESET#
Vss
Pulled up at
4.7kΩ or more
Pulled down at
4.7kΩ or more
E8a Connecting
Connector
*: Open-collector buffer
User system
Figure 4.12 Example of an E8a Connection
(Single Power Supply and Single-chip Mode, R32C/111 (64-pin and 80-pin) Only)
Note
[*1] For details on setting pins P64 and P65, refer to “4.2.1 (1) SCLK, RxD, TxD and BUSY pins” on page 19.
For details on setting pins P80 and P81, refer to “4.2.1 (2) EPM# and CE# pins” on page 19.
REJ10J1877-0201 Rev.2.01 Jun. 26, 2009
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