參數(shù)資料
型號(hào): TDA7503
廠商: STMICROELECTRONICS
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP100
封裝: 14 X 14 MM, 1.40 MM HEIGHT, TQFP-100
文件頁(yè)數(shù): 9/30頁(yè)
文件大小: 297K
代理商: TDA7503
17/30
TDA7503
GENERAL PURPOSE I/O (GPIO) INTERFACE
Figure 10. GPIO Timing
Debug Port Interface
Timing
Characteristics
mclk = 21MHz
Unit
Min.
Max.
tgod
XTI Edge to GPIO Out Valid (GPIO Out Delay Time)
--
26
ns
tgoh
XTI Edge to GPIO Out Not Valid (GPIO Out Hold Time)
2
--
ns
tgis
GPIO In Valid to XTI Edge (GPIO In Set-up Time)
10
--
ns
tgih
XTI Edge to GPIO In Not Valid (GPIO In Hold Time)
6
--
ns
No.
Characteristics
dclk = 42MHz
Unit
Min.
Max.
1
DBCK rise time
--
3
ns
2
DBCK fall time
--
3
ns
3
DBCK Low
40
--
ns
4
DBCK High
40
--
ns
5
DBCK Cycle Time
200
--
ns
6
DBRQN Asserted to DBOUT (ACK) Asserted
5 TDSP
--
ns
7
DBCK High to DBOUT Valid
--
42
ns
8
DBCK High to DBOUT Invalid
3
--
ns
9
DBIN Valid to DBCK Low (Set-up)
15
--
ns
10
DBCK Low to DBIN Invalid (Hold)
3
--
ns
DBOUT (ACK) Asserted to First DBCK High
2 Tc
--
ns
DBOUT (ACK) Assertion Width
4.5 TDSP - 3
5 TDSP + 7
ns
11
Last DBCK Low of Read Register to First DBCK High of Next Command 7 TDSP + 10
--
ns
12
Last DBCK Low to DBOUT Invalid (Hold)
3
--
ns
DBSEL setup to DBCK
TDSP
ns
VALID
PORT1 (6:0)
(INPUT)
PORT1 (6:0)
(OUTPUT)
tgod
XTI
(INPUT)
tgis
tgih
tgoh
D02AU1380
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