參數(shù)資料
型號: MB91F466BA
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 96 MHz, RISC MICROCONTROLLER, PQFP144
封裝: 20 X 20 MM, 1.70 MM HEIGHT, 0.50 MM PITCH, PLASTIC, LQFP-144
文件頁數(shù): 50/129頁
文件大?。?/td> 1656K
代理商: MB91F466BA
European MCU Design Centre
MB91F467BA/466BA/465BA/464BA preliminary datasheet ver. 0.27
Page 27 of 125
2.4.3.2
Pin connections in parallel programming mode
Resetting after setting the MD[2:0] pins to [111] will halt CPU functioning. At this time, the Flash
memory's interface circuit enables direct control of the Flash memory unit from external pins by
directly linking some of the signals to GP-Ports. Please see table below for signal mapping.
In this mode, the Flash memory appears to the external pins as a stand-alone unit. This mode is
generally set when writing/erasing using the parallel Flash programmer. In this mode, all operations of
the 8.5 Mbits Flash memory's Auto Algorithms are available.
Correspondence between MBM29LV400TC and Flash Memory Control Signals
MB91F467BA external pins
MBM29LV400TC
External pins
FR-CPU mode
Flash memory
mode
Normal function
Pin number
Comment
-
INITX
-
INITX
84
RESET
-
FRSTX
GP16_6
70
-
MD2
76
Set to
‘1’
-
MD1
75
Set to
‘1’
-
MD0
74
Set to
‘1’
RY/BY
FMCS:RDY bit
RY/BYX
GP18_2
100
BYTE
Internally fixed to
‘H’
BYTEX
GP16_4
68
WE
WEX
GP16_7
71
OE
OEX
GP07_7
3
CE
CEX
GP07_6
2
-
ATDIN
GP18_6
103
Set to
‘0’
-
EQIN
GP18_5
102
Set to
‘0’
-
TESTX
GP16_5
69
Set to
‘1’
-
Internal control signal
+ control via interface
circuit
RDYI
GP18_4
101
Set to
‘0’
A-1
FA0
GP05_5
17
Set to
‘0’
A0 to A3
FA1 to FA4
GP19_0 to GP19_2,
GP19_4
92 to 95
A4 to A7
FA5 to FA8
GP19_5 to GP19_6,
GP18_0 to GP18_1
96 to 99
A8 to A11
FA9 to FA12
GP06_0 to GP06_3
4 to 7
A12 to A15
FA13 to FA16
GP06_4 to GP06_7
8 to 11
A16 to A19
FA17 to FA20
GP05_0 to GP05_3
12 to 15
-
Internal address bus
FA21
GP05_4
16
Set to
‘1’
DQ0 to DQ7
GP00_0 to GP00_7
28 to 35
DQ8 to DQ15
Internal data bus
DQ8 to DQ15
GP01_0 to GP01_7
20 to 27
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