参数资料
型号: RM48L950PGET
厂商: TEXAS INSTRUMENTS INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 200 MHz, RISC MICROCONTROLLER, PQFP144
封装: GREEN, PLASTIC, LQFP-144
文件页数: 82/154页
文件大小: 2807K
代理商: RM48L950PGET
PRODUCTPREVIEW
SPNS174
– SEPTEMBER 2011
2.4.2.12 External Memory Interface (EMIF)
Table 2-37. External Memory Interface (EMIF)
Terminal
Signal
Default
Pull Type
Description
Type
Pull State
Signal Name
337
ZWT
EMIF_CKE
L3
Output
Pull Down
-
EMIF Clock Enablen
EMIF_CLK
K3
I/O
EMIF clock. This is an
output signal in functional
mode. It is gated off by
default, so that the signal
is tri-stated. PINMUX29[8]
must be cleared to enable
this output.
EMIF_nWE/EMIF_RNW
D17
Output
Pull Up
-
EMIF Read-Not-Write
ETMDATA[13]/EMIF_nOE
E12
Pull Down
-
EMIF Read Enable
EMIF_nWAIT
P3
I/O
Pull Up
Fixed, 20uA
EMIF Extended Wait
Signal
EMIF_nWE/EMIF_RNW
D17
Output
Pull Up
-
EMIF Write Enable.
EMIF_nCAS
R4
Output
EMIF column address
strobe
EMIF_nRAS
R3
Output
EMIF row address strobe
EMIF_nCS[0]/RTP_DATA[15]/N2HET2[7]
N17
Output
EMIF chip select,
synchronous
EMIF_nCS[2]
L17
Output
EMIF chip selects,
asynchronous
EMIF_nCS[3]/RTP_DATA[14]/N2HET2[9]
K17
Output
This applies to chip
EMIF_nCS[4]/RTP_DATA[07]
M17
Output
selects 2, 3 and 4
Copyright
2011, Texas Instruments Incorporated
Device Package and Terminal Functions
33
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