32180 Datasheet, PDF (165/839 Pages) Renesas Technology Corp – 32-Bit RISC Single-Chip Microcomputers M32R Family M32R/ECU Series

6
INTERNAL MEMORY
6.7 Connecting to A Serial Programmer
6.7 Connecting to A Serial Programmer
For the internal flash memory to be rewritten in boot mode + flash E/W enable mode by using a general-purpose
serial programmer, several pins on the microcomputer must be processed to make them suitable for the serial
programmer, as shown below.
Table 6.7.1 Processing Microcomputer Pins before Using a Serial Programmer
Pin Name
Pin No.
Function
Remark
SCLKI1
175
Transfer clock input
Need to be pulled high
RXD1
176
Serial data input (received data)
Need to be pulled high
TXD1
177
Serial data output (transmit data)
P84
178
Transmit/receive enable output
Need to be pulled high
FP
187
Flash memory protect
Connect to the main power supply
MOD0
188
Operation mode 0
Connect to the main power supply
MOD1
189
Operation mode 1
Connect to ground
RESET# 35
JTRST
50
Reset
JTAG reset
After setting MOD0/MOD1, ground
and back to main power supply
Pull low via resistor
XIN
32
Clock input
XOUT
34
Clock output
VCNT
30
Control input for PLL circuit
OSC-VCC 31
PLL circuit power supply
Connect to the main power supply
OSC-VSS 29, 33
PLL circuit ground
Connect to ground
VREF0
64
VREF1
240
Reference voltage input for A-D
converter
Connect to the main power supply
AVCC0
63
AVCC1
1
Analog power supply
Connect to the main power supply
AVSS0
73
AVSS1
231
Analog ground
Connect to ground
VDDE
193
RAM backup power supply
Connect to the main power supply
VCCE
3, 28, 61, 89, 125, 154, 193 Main power supply
5 V +- 10% or 3.3 V +- 10%
VCC-BUS
EXCVCC
EXCVDD
VSS
127, 153, 196, 221
Bus power supply
91, 192
190
Internal power supply
2, 62, 86, 87, 88, 90, 126, _Ground
155, 191, 194, 213, 222
Depends on the target system
Need to be grounded to earth via
bypass capacitor
0V
6-36
32180 Group User’s Manual (Rev.1.0)