参数资料
型号: MB91V301CR-ESE1
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 68 MHz, RISC MICROCONTROLLER, CPGA179
封装: CERAMIC, PGA-179
文件页数: 2/139页
文件大小: 1482K
代理商: MB91V301CR-ESE1
MB91301 Series
10
s
s PIN DESCRIPTIONS
Except for Power supply, GND, and Tool pins
(Continued)
Pin no.
Pin name
I/O circuit type
Function
MB91301/
302A
MB91V301/
V301A
MB91301,
MB91V301
MB91302A,
MB91V301A
132 to 139
166 to 169,
172 to 175
D00 to D07
J
External data bus bits 0 to 7. It is available
in the external bus mode.
P00 to P07
Can be used as ports in 8-bit or 16-bit
external bus mode.
142 to 144,
1 to 5
178 to 180,
2, 5 to 8
D08 to D15
J
External data bus bits 8 to 15.
It is available in the external bus mode.
P10 to P17
Can be used as ports in 8-bit or 16-bit
external bus mode.
8 to 15
11 to 18
D16 to D23
J
External data bus bits 16 to 23.
It is available in the external bus mode.
P20 to P27
Can be used as ports in 8-bit external bus
mode.
18 to 25
21 to 24,
27 to 30
D24 to D31
C
External data bus bits 24 to 31.
It is available in the external bus mode.
28
33
RDY
J
[RDY] External ready input. The pin has
this function when external ready input is
enabled.
P80
[P80] General purpose input/output port.
The pin has this function when external
ready input is disabled.
29
34
BGRNT
J
[BGRNT] Acknowledge output for
external bus release.
Outputs "L" when the external bus is
released. The pin has this function when
output is enabled.
P81
[P81] General purpose input/output port.
The pin has this function when output is
disabled for external bus release
acknowledge.
30
35
BRQ
J
[BRQ] External bus release request input.
Input "1" to request release of the
external bus. The pin has this function
when input is enabled.
P82
[P82] General purpose input/output port.
The pin has this
function when the external bus release
request input is disabled.
31
36
RD
C[RD] External bus read strobe output.
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