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