参数资料
型号: M37534E8FP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PDSO36
封装: 0.450 INCH, PLASTIC, SSOP-36
文件页数: 10/53页
文件大小: 680K
代理商: M37534E8FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
7534 Group
MITSUBISHI MICROCOMPUTERS
18
Key Input Interrupt (Key-On Wake-Up)
A key-on wake-up interrupt request is generated by applying “L” level
to any pin of port P0 that has been set to input mode.
In other words, it is generated when the AND of input level goes from
“1” to “0”. An example of using a key input interrupt is shown in Fig-
ure 18, where an interrupt request is generated by pressing one of
the keys provided as an active-low key matrix which uses ports P00
to P03 as input ports.
Fig. 18 Connection example when using key input interrupt and port P0 block diagram
Port PXx
“L” level output
PULL register
bit 3 = “0”
Port P07
latch
Port P07
Direction register = “1”
**
*
P07 output
Key input interrupt request
Port P0
Input read circuit
* P-channel transistor for pull-up
** CMOS output buffer
PULL register
bit 3 = “0”
Port P06
latch
Port P06
Direction register = “1”
**
*
P06 output
PULL register
bit 3 = “0”
Port P05
latch
Port P05
Direction register = “1”
**
*
P05 output
PULL register
bit 3 = “0”
Port P04
latch
Port P04
Direction register = “1”
**
*
P04 output
PULL register
bit 2 = “1”
Port P03
latch
Port P03
Direction register = “0”
**
*
P03 input
PULL register
bit 2 = “1”
Port P02
latch
Port P02
Direction register = “0”
**
*
P02 input
PULL register
bit 1 = “1”
Port P01
latch
Port P01
Direction register = “0”
**
*
P01 input
PULL register
bit 0 = “1”
Port P00
latch
Port P00
Direction register = “0”
**
*
P00 input
Falling edge
detection
Falling edge
detection
Falling edge
detection
Falling edge
detection
Falling edge
detection
Falling edge
detection
Falling edge
detection
Falling edge
detection
相关PDF资料
PDF描述
M38224M6HXXXFP 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP80
M38227ECFP 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PQFP80
M38227MCHXXXFP 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP80
M38227MCHXXXHP 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP80
MC68HC11N4VFN3 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PQCC84
相关代理商/技术参数
参数描述
M37534E8SP 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M37534M4 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M37534M4-XXXFP 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M37534M4-XXXGP 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M37534M4-XXXSP 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER