SAM7X256_14 Datasheet, PDF (48/662 Pages) ATMEL Corporation – ARM-based Flash MCU

Each SAM7X input/output pin corresponds to a 3-bit register in the BSR. The OUTPUT bit contains data that can be
forced on the pad. The INPUT bit facilitates the observability of data applied to the pad. The CONTROL bit selects the
direction of the pad.
Table 12-2. SAM7X JTAG Boundary Scan Register
Bit
Number
Pin Name
187
186
PA30/IRQ0/PCK2
185
184
183
PA0/RXD0
182
181
180
PA1/TXD0
179
178
177
PA3/RTS0/SPI1_NPCS2
176
175
174
PA2/SCK0/SPI1_NPCS1
173
172
171
PA4/CTS0/SPI1_NPCS3
170
169
168
PA5/RXD1
167
166
165
PA6/TXD1
164
163
162
PA7/SCK1/SPI0_NPCS1
161
160
ERASE
159
158
PB27/TIOA2/PWM0/AD0
157
156
155
PB28/TIOB2/PWM1/AD1
154
Pin Type
IN/OUT
IN/OUT
IN/OUT
IN/OUT
IN/OUT
IN/OUT
IN/OUT
IN/OUT
IN/OUT
IN
IN/OUT
IN/OUT
Associated BSR
Cells
INPUT
OUTPUT
CONTROL
INPUT
OUTPUT
CONTROL
INPUT
OUTPUT
CONTROL
INPUT
OUTPUT
CONTROL
INPUT
OUTPUT
CONTROL
INPUT
OUTPUT
CONTROL
INPUT
OUTPUT
CONTROL
CONTROL
INPUT
OUTPUT
CONTROL
INPUT
OUTPUT
INPUT
INPUT
OUTPUT
CONTROL
INPUT
OUTPUT
CONTROL
SAM7X Series [DATASHEET] 48
6120K–ATARM–11-Feb-14