STR910FAZ32H6T STMICROELECTRONICS [STMicroelectronics], STR910FAZ32H6T Datasheet - Page 73

• Manufacturer Part Number: STR910FAZ32H6T
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

STR91xFAx32 STR91xFAx42 STR91xFAx44
7.11
7.11.1
External memory bus timings
V
Table 31.
1. The internal EMI Bus clock signal is available externally only on LFBGA144 packages (ball M8), and not
2. EMI_ratio =1/ 2 by default (can be programmed to be 1 by setting the proper bits in the SCU_CLKCNTR
Asynchronous mode
Non Mux Write
Figure 17. Non-mux write timings
DDQ
EMI_BWR_WRLn
EMI_CSxn
EMI_A[15:0]
available on LQFP packages.
register)
EMI_D[7:0]
= 2.7 - 3.6V, V
Symbol
t
BCLK
EMI bus clock period
DD
= 1.65 - 2V, T
EMI Bus Clock period
t
t
WDS
WAS
A
Parameter
= -40 / 85 °C, C
Address
Data
(1)
L
= 30 pF unless otherwise specified.
t
WP
Electrical characteristics
1 /(f
HCLK
Value
x EMI_ratio)
t
WCR
(2)
73/99