PC755 datasheet(35/50 Pages) ATMEL

номер детали	PC755

подробное описание детали	PowerPC 755/745 RISC Microprocessor

PDF	50 Pages

Scroll/Zoom	100%

производитель	ATMEL [ATMEL Corporation]

домашняя страница	http://www.atmel.com

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35 / 50 page

PC755/745

2138D–HIREL–06/03

Figure 23. JTAG Interface Connection

Notes:

1. RUN/STOP, normally found on pin 5 of the COP header, is not implemented on the PC755. Connect pin 5 of the COP

header to OV

DD with a 10 kΩ pull-up resistor.

2. Key location; pin 14 is not physically present on the COP header.

3. Component not populated. Populate only if debug tool does not drive QACK.

4. Populate only if debug tool uses an open-drain type output and does not actively deassert QACK.

5. If the JTAG interface is implemented, connect HRESET from the target source to TRST from the COP header though an

AND gate to TRST of the part. If the JTAG interface is not implemented, connect HRESET fromthe target source to TRST of

the part through a 0

Ω isolation resistor.

HRESET

From Target

Board Sources

SRESET

VDD_SENSE

5 1

Ω

10 k

Ω

10 k

Ω

10 k

Ω

OVDD

CHKSTP_IN

TMS

TDO

TDI

TCK

TMS

TDO

TDI

TCK

TRST

(if any)

14 2

Key

QACK

OVDD

10 k

Ω

OVDD

TRST

10 k

Ω

OVDD

10 k

Ω

10 k

Ω

QACK

CHKSTP_OUT

KEY

No pin

COP Connector

Physical Pin Out

10 k

Ω 4

OVDD

Ω 3

Ω 5

HRESET

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