C8051F340-GQR Datasheet, PDF (130/276 Pages) Silicon Laboratories – Full Speed USB Flash MCU Family

C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
Table 13.1. AC Parameters for External Memory Interface
Parameter
Description
Min*
T_ACS
T_ACW
T_ACH
T_ALEH
Address / Control Setup Time
Address / Control Pulse Width
Address / Control Hold Time
Address Latch Enable High Time
0
1 x T_SYSCLK
0
1 x T_SYSCLK
T_ALEL
T_WDS
Address Latch Enable Low Time
Write Data Setup Time
1 x T_SYSCLK
1 x T_SYSCLK
T_WDH
Write Data Hold Time
0
T_RDS
Read Data Setup Time
20
T_RDH
Read Data Hold Time
0
*Note: T_SYSCLK is equal to one period of the device system clock (SYSCLK).
Max*
3 x T_SYSCLK
16 x T_SYSCLK
3 x T_SYSCLK
4 x T_SYSCLK
4 x T_SYSCLK
19 x T_SYSCLK
3 x T_SYSCLK
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
130
Rev. 1.3