参数资料
型号: SM320C6701GLPS14
厂商: TEXAS INSTRUMENTS INC
元件分类: 数字信号处理
英文描述: 32-BIT, 140 MHz, OTHER DSP, CBGA429
封装: CERAMIC, BGA-429
文件页数: 2/62页
文件大小: 873K
代理商: SM320C6701GLPS14
SMJ320C6701
FLOATINGPOINT DIGITAL SIGNAL PROCESSOR
SGUS030A – APRIL 2000 – REVISED APRIL 2001
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
Signal Descriptions (Continued)
SIGNAL
TYPE
DESCRIPTION
NAME
NO.
TYPE
DESCRIPTION
EMIF – CONTROL SIGNALS COMMON TO ALL TYPES OF MEMORY
CE3
Y5
O/Z
CE2
V3
O/Z
Memory space enables
CE1
T6
O/Z
Enabled by bits 24 and 25 of the word address
CE0
U2
O/Z
Only one asserted during any external data access
BE3
R8
O/Z
Byte enable control
BE2
T3
O/Z
Decoded from the two lowest bits of the internal address
BE1
T2
O/Z
Byte write enables for most types of memory
BE0
R2
O/Z
Can be directly connected to SDRAM read and write mask signal (SDQM)
EMIF – ADDRESS
EA21
L4
EA20
L3
EA19
J2
EA18
J1
EA17
K1
EA16
K2
EA15
L2
EA14
L1
EA13
M1
EA12
M2
O/Z
E ternal address ( ord address)
EA11
M6
O/Z
External address (word address)
EA10
N4
EA9
N1
EA8
N2
EA7
N6
EA6
P4
EA5
P3
EA4
P2
EA3
P1
EA2
P6
I = Input, O = Output, Z = High Impedance, S = Supply Voltage, GND = Ground
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