參數(shù)資料
型號: MB91V301A
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 68 MHz, RISC MICROCONTROLLER, CPGA179
封裝: CERAMIC, PGA-179
文件頁數(shù): 13/140頁
文件大?。?/td> 2841K
代理商: MB91V301A
MB91301 Series
DS07-16502-4E
11
(Continued)
Pin no.
Pin name
I/O circuit
type
Function
MB91302A
MB91V301A
40
49
AS
J
Address strobe output. The pin has this function
when ASE bit of port function register 9 is enabled
“1”.
LBA
Address strobe output for burst flash ROM. The pin
has this function when ASE bit of port function
register 9 is enabled “1”.
SRAS
RAS single for SDRAM. This pin has this function
when ASE bit of port function register 9 is enabled
“1”.
P94
General purpose input/output port. The pin has this
function when ASE bit of port function register 9 is
"0" general purpose port.
41
50
BAA
J
Address advance output for burst Flash ROM. The
pin has this function when BAAE bit of port function
register (PFR9) is enabled.
SCAS
CAS signal for SDRAM. This pin has this function
when BAAE bit of port function register (PFR9) is
enabled.
P95
General purpose input/output port. The pin has this
function when BAAE bit of port function register is
general purpose port.
42
51
WR
J
Memory write strobe output. This pin has this
function when WRXE bit of port function register is
enabled.
SWE
Write output for SDRAM. This pin has this function
when WRXE bit of port function register is enabled.
P96
General purpose input/output port. This pin has this
function when WRXE bit of port function register is
general purpose port.
45 to 52
54 to 61
A00 to A07
C
External address bits 0 to 7.
55 to 62
64 to 71
A08 to A15
C
External address bits 8 to 15.
64 to 67
74 to 77
A16 to A19
J
External address bits 16 to 19. It is available in
external bus mode.
P60 to P63
Can be used as ports when external address bus is
not used.
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