參數(shù)資料
型號: MCC5E0RX266WB0B
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 266 MHz, RISC PROCESSOR, CBGA840
封裝: 31 X 31 MM, 3.55 MM HEIGHT, 1 MM PITCH, CERAMIC, FCBGA-840
文件頁數(shù): 75/120頁
文件大小: 1711K
代理商: MCC5E0RX266WB0B
58
CHAPTER 2: SIGNAL DESCRIPTIONS
C5ENPB0-DS REV 05
MOTOROLA GENERAL BUSINESS INFORMATION
Test Signals
Test signals are described in Table 30.
During JTAG, SCLK and SCLKX must remain as differential inputs.
No Connection Pins
No connection pins are listed in Table 31.
Table 30 Miscellaneous Test Signals For JTAG, Scan, and Internal Test Routines
SIGNAL NAME
PIN #
TOTAL
TYPE
I/O
SIGNAL DESCRIPTION
JTCK
C15
1
LVTTL
I
PD
Test Clock
JTMS
A14
1
LVTTL
I
PD
Test Mode Select. High selects modes
as defined in the IEEE 1149.1 JTAG
specification.
JTRSTX
A12
1
LVTTL
I
PD
Test Reset (low active)
JTDI
B14
1
LVTTL
I
PD
Test Data In
JTDO
A13
1
LVTTL
O
Test Data Out
JHIGHZ
B13
1
LVTTL
I
PD
Turns off all output drivers when High
JCLKBYP
C14
1
LVTTL
I
PD
1X or 2X Clock Mode Select. Low
selects 1X, High selects 2X. Motorola
recommends using 1X mode
(pulldown or leave JCLKBYP
unconnected).
JSE
D15
1
LVTTL
I
PD
Scan Enable. High enables scan test.
JS00-JS05
D14, A16, D13, C12, A15, B12
6
LVTTL
O
Scan Out Pins
TOTAL PINS
14
Table 31 No Connection Pins
SIGNAL NAME
PIN #
TOTAL
TYPE
I/O
SIGNAL DESCRIPTION
NC3 - NC5
B11, A11, A18
3
nc
I
PD/O
Reserved for future functionality
TOTAL PINS
3
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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