SN32F280 Series
32-Bit Cortex-M0 Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 213
Version 1.1
18.5 INTERFACE DESCRIPTION
18.5.1 Non-multiplexed N-bit Address 8-bit Data Mode (A
N
D8)
N-bit address and 8-bit data is supported. The address is located on the N bits of the A lines and the data uses the lower
8 bits AD lines. A1D8 Mode is also called 8080 8-bit mode.
- Read timing waveform in the A
N
D8 mode:
A[N-1:0]
ADDR[N-1:0]
DATA[7:0]
RDSETUP
(0, 1, 2, …)
RDSTRB
(1, 2, 3, …)
RDHOLD
(0, 1, 2, …)
AD[7:0]
CSn
OE
- Write timing waveform in the A
N
D8 mode:
A[N-1:0]
ADDR[N-1:0]
AD[7:0]
CSn
WE
DATA[7:0]