UPSD3312D datasheet(235/272 Pages) STMICROELECTRONICS

tên linh kiện	UPSD3312D

Giải thích chi tiết về linh kiện	fast 8032 MCU with programmable logic

PDF	272 Pages

Scroll/Zoom	100%

nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

Trang chủ	http://www.st.com

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235 / 272 page

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UPSD33xx

PSD module

Doc ID 9685 Rev 7

235/272

Figure 79.

JTAG chain in UPSD33xx package

27.5.3

In-system programming

The ISP function can use two different configurations of the JTAG interface:

●

4-pin JTAG: TDI, TDO, TCK, TMS

●

6-pin JTAG: Signals above plus TSTAT, TERR

At power-up, the four basic JTAG signals are all inputs, waiting for a command to appear on

the JTAG bus from programming or test equipment. When the enabling command is

received, TDO becomes an output and the JTAG channel is fully functional. The same

command that enables the JTAG channel may optionally enable the two additional signals,

TSTAT and TERR.

JTAG TDI

JTAG TMS

JTAG TCK

JTAG TDO

TDI

TMS TCK

TDO

TMS TCK

TDI

PC3 / TSTAT

PC4 / TERR

TSTAT

TERR

OPTIONAL

JTAG TAP

CONTROLLER

JTAG TAP

CONTROLLER

RESET_IN

OPTIONAL

DEBUG

RESET

RST

8032 MCU

MCU MODULE

PSD MODULE

MAIN

FLASH

MEMORY

2ND

FLASH

MEMORY

PLD

UPSD33XX

IEEE 1149.1

AI09184b

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