參數(shù)資料
型號: M37754M8C-XXXHP
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, 40 MHz, MICROCONTROLLER, PQFP100
封裝: 0.50 MM PITCH, FINE PITCH, PLASTIC, QFP-100
文件頁數(shù): 80/114頁
文件大小: 1116K
代理商: M37754M8C-XXXHP
68
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to change.
MITSUBISHI MICROCOMPUTERS
M37754M8C-XXXGP, M37754M8C-XXXHP
M37754S4CGP, M37754S4CHP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Particular function select register 0
External clock input select bit (Notes 1, 2)
0 : Actuated oscillation circuit; connecting resonator
1 : Stopped oscillation circuit; inputting externaly genarated clock
Standby state select bit 0 (Notes 1, 3)
; in execution of WIT or STP instruction in memory expansion
or microprocessor mode
0 : External bus for P0 to P3, P10, P11
1 : Port Input/Output for P0 to P3, P10, P11
Standby state select bit 1 (Notes 1, 4)
; in execution of WIT or STP instruction
Memory allocation select bit (Note 2)
0 : ROM 60 Kbytes, RAM 2048 Bytes
(ROM : 00100016 to 00FFFF16, RAM : 00008016 to 00087F16)
1 : ROM 56 Kbytes, RAM 2048 Bytes
(ROM:00200016 to 00FFFF16, RAM:00008016 to 00087F16)
This bit must be fixed to “0.”
n
Address
6C16
Notes 1 : After the expansion function select bit (bit 5 of particular function select register 1; Figure 62) is “1”,
bits 1, 5 and 6 can be written and changed.
2 : To set bits 1 and 2, continuous-twice-write operations to address 6C16 are required.
3 : When BYTE = “H” (8-bit external bus width), P11 becomes an input/output port independent of bit 5’s contents.
4 : When the signal output disable select bit = “1” and bit 5 = “1”, the E/RD pin outputs “L” independent of bit 6’s contents
in execution of WIT or STP instruction.
Fig. 83 Particular function select register 0 bit configulation
76543210
0
0 : “H” or “L” output for pins E/RD, WR
1 : “H” output for pins E/RD, WR
STP rerurn select bit
0 : Wachdog timer is used when returning from Stop mode.
1 : Wachdog timer is not used when returning from Stop mode ; the maicrocomputer returns
at once.
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