Renesas Single-Chip Microcomputer M306NKT3 User Manual
Page 137

121
FDM Pin Name
Pin
No.
14-pin connector
20-pin connector (Japan only)
E8 Direct Pin Name
1
SCK RES
Output D
2
GND GND
GND
3
FWx FWx
Output C
4
MD0 GND
Output A
5
Txd (Input from Txd of
Target device to Rxd of
2148AF on FDM)
MD0
Target Txd (Input from Txd of
Target device to Rxd0 of 2215UF on
E8)
6
MD1
GND
GND (Connected to GND on E8)
7
MD4 MD1
Output B
8
UVCC Input
GND
UVCC (can supply 3.3 or 5V or
detect if target is powered)
9
PVCC Input
MD2
BUSY (Not used for E8Direct)
10
MD2
GND
GND (Connected to GND on E8)
11
Rxd (Output to Rxd of
Target device from Txd0
of 2148AF on FDM)
MD3
Target Rxd (Output to Rxd of
Target device from Txd0 of 2215UF
on E8)
12
MD3
GND
GND (Connected to GND on E8)
13
RESET MD4 RESET
14
UCONNECT GND
UCONNECT (Connect to GND on Target
board)
15
-
RXD (TXD for the user
system)
-
16
- GND
-
17
-
TXD (RXD for the user
system)
-
18
-
VIN (Vcc or PVcc)
-
19
- NC
-
20
- VIN
(PVcc)
-