參數(shù)資料
型號(hào): SMJ34020AGB
廠商: Texas Instruments, Inc.
英文描述: GRAPHICS SYSTEM PROCESSOR
中文描述: 圖形系統(tǒng)處理器
文件頁(yè)數(shù): 48/92頁(yè)
文件大?。?/td> 1458K
代理商: SMJ34020AGB
SMJ34020A
GRAPHICS SYSTEMPROCESSOR
SGUS011B – APRIL 1991 – REVISED AUGUST 1995
48
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
cycle timing examples (continued)
Q4
Q1
Q2
Q3
Q1
Q2
Q3
Q4
Q1
Row
Column
HOE
HDST
LAD
GI
CAMD
RCA
SF
ALACH
RAS
CAS
WE
TR/QE
DDIN
DDOUT
LRDY
SIZE16
PGMD
BUSERR
R0
R1
Previous Read
Valid
Local-Memory Host Read Cycle
HA/HBS
HCS
HREAD
HWRITE
HRDY
DATA
(out)
Q4
(see Note A)
See clock stretch, page 20.
NOTE A: HRDY goes high at the start of Q2; however, data is not strobed into
the external latches until the start of Q4 when HDST goes high.
Figure 20. Host-Read-Cycle Timing (Random/Same Accesses, not From SMJ34020A I/O Registers)
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