參數(shù)資料
型號: M306H3FCFP
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 10 MHz, MICROCONTROLLER, PQFP116
封裝: 20 X 20 MM, 0.65 MM PITCH, PLASTIC, LQFP-116
文件頁數(shù): 64/135頁
文件大小: 2583K
代理商: M306H3FCFP
Rev.1.00
2004.03.23
page 34 of 320
M306H3MC-XXXFP/FCFP
Processor mode
Memory expansion mode or microprocessor mode
Memory expansion
mode
002(separate bus)
PM05–PM04 bits
012(CS2 is for multiplexed bus and
others are for separate bus)
102(CS1 is for multiplexed bus and
others are for separate bus)
Data bus width
8 bits
“H”
BYTE pin
P00 to P07
D0 to D7
D0 to D7(Note 4) D0 to D7(Note 4)
I/O ports
P10 to P17
I/O ports
D8 to D15
I/O ports
D8 to D15(Note 4) I/O ports
P20
A0
A0/D0(Note 2)
A0
A0/D0
P21 to P27
A1 to A7
A1 to A7/D1 to D7
(Note 2)
A1 to A7/D0 to D6
(Note 2)
A1 to A7/D1 to D7
P30
A8
A8/D7(Note 2)
A8
P31 to P33
A9 to A11
I/O ports
P34 to P37
A12 to A15
I/O ports
P40 to P43
A16 to A19
I/O ports
P44
I/O ports
P45
P46
P47
P50
WRL
P52
RD
P53
BCLK
P54
HLDA
P55
HOLD
P56
ALE
P57
RDY
112(multiplexed bus
for the entire space)
(Note 1)
PM11=0
PM11=1
I/O ports
PM06=0
PM06=1
I/O ports
CS0=0
CS0=1
CS0
I/O ports
CS1=0
CS1=1
CS1
I/O ports
CS2=0
CS2=1
CS2
I/O ports
CS3=0
CS3=1
CS3
PM02=0
PM02=1
WR
(Note 3)
WRL
(Note 3)
P51
BHE
WRH
PM02=0
PM02=1
(Note 3)
WRH
(Note 3)
Note 2: In separate bus mode, these pins serve as the address bus.
Note 3: If the data bus is 8 bits wide, make sure the PM02 bit is set to “0” (RD, BHE, WR).
Note 4: When accessing the area that uses a multiplexed bus, these pins output an indeterminate value during a write.
I/O ports: Function as I/O ports or peripheral function I/O pins.
8 bits
“H”
8 bits
“H”
16 bits
“L”
16 bits
“L”
Note 1: To set the PM01 to PM00 bits are set to “012” and the PM05 to PM04 bits are set to “112” (multiplexed bus assigned to the entire CS
space), apply “H” to the BYTE pin (external data bus 8 bits wide). While the CNVSS pin and the M1 pin are held “H” (= VCC) in the flash
If the PM05 to PM04 bits are set to “112” during memory expansion mode, P31 to P37 and P40 to P43
the accessible area for each CS is 256 bytes.
memory version (the CNVSS pin is held “H” in the mask ROM version), do not rewrite the PM05 to PM04 bits to “112” after reset.
become I/O ports, in which case
Table 2.4.8. Pin Functions for Each Processor Mode
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