參數(shù)資料
型號: MB91V301CR-ESE1
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): 24/139頁
文件大?。?/td> 1482K
代理商: MB91V301CR-ESE1
MB91301 Series
12
(Continued)
Pin no.
Pin name
I/O circuit type
Function
MB91301/
302A
MB91V301/
V301A
MB91301,
MB91V301
MB91302A,
MB91V301A
37
40
MCLKE
J
[MCLKE] Clock enable signal for memory.
P91
[P91] General purpose input/output port.
The pin has this function when clock
enable output is disabled.
38
45
MCLK
C
[MCLK] Memory clock output. The pin has
this function when memory clock output is
enabled. This outputs the same clock as
the external bus operating frequency.
(Output halts in sleep mode.)
P92
[P92] General purpose input/output port.
The pin has this function when memory
clock output is disabled.
39
46
P93
C
[P93] General purpose input/output port.
40
49
AS
J
[AS] Address strobe output. The pin has
this function when ASE bit of port function
register 9 is enabled “1”.
LBA
[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
[SRAS] RAS single for SDRAM. This pin
has this function when ASE bit of port
function register 9 is enabled “1”.
P94
[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
[BAA] Address advance output for burst
Flash ROM. The pin has this function when
BAAE bit of port function register is
enabled.
SCAS
[SCAS] CAS signal for SDRAM. This pin
has this function when BAAE bit of port
function register is enabled.
P95
[P95] General purpose input/output port.
The pin has this function when BAAE bit of
port function register is general purpose
port.
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