参数资料
型号: M30600E8GP
元件分类: 微控制器/微处理器
英文描述: 16-BIT, OTPROM, 10 MHz, MICROCONTROLLER, PQFP100
封装: 14 X 14 MM, 0.50 MM PITCH, PLASTIC, LQFP-100
文件页数: 60/139页
文件大小: 1782K
代理商: M30600E8GP
Mitsubishi microcomputers
M16C / 60 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
27
(6) Hold signal
The hold signal is used to transfer the bus privileges from the CPU to the external circuits. Inputting “L” to
__________
the HOLD pin places the microcomputer in the hold state at the end of the current bus access. This status
__________
is maintained and “L” is output from the HLDA pin as long as “L” is input to the HOLD pin. Table 1.10
shows the microcomputer status in the hold state.
Bus Control
Item
Status
Oscillation
ON
___
_____
_______
R/W signal, address bus, data bus, CS, BHE
Floating
Programmable I/O ports
P0, P1, P2, P3, P4, P5
Floating
P6, P7, P8, P9, P10
Maintains status when hold signal is received
ALE signal
Undefined
__________
HLDA
Output “L”
Internal peripheral circuits
ON (but watchdog timer stops)
(7) BCLK output
The output of the internal clock
can be selected using bit 7 of the processor mode register 0 (address
000416) (Note). The output is floating when bit 7 is set to “1”.
Note: Before attempting to change the contents of the processor mode register 0, set bit 1 of the protect
register (address 000A16) to “1”.
Table 1.10. Microcomputer status in hold state
相关PDF资料
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M30600M8-XXXGP 16-BIT, MROM, MICROCONTROLLER, PQFP100
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