參數(shù)資料
型號: M34524MC-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP64
封裝: 14 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-64
文件頁數(shù): 110/161頁
文件大小: 1199K
代理商: M34524MC-XXXFP
Rev.2.00
Jul 27, 2004
page 52 of 159
REJ03B0091-0200Z
4524 Group
SERIAL I/O
The 4524 Group has a built-in clock synchronous serial I/O which
can serially transmit or receive 8-bit data.
Serial I/O consists of;
serial I/O register SI
serial I/O control register J1
serial I/O transmit/receive completion flag (SIOF)
serial I/O counter
Registers A and B are used to perform data transfer with internal
CPU, and the serial I/O pins are used for external data transfer.
The pin functions of the serial I/O pins can be set with the register
J1.
Table 14 Serial I/O pins
Pin
D6/SCK
D5/SOUT
D4/SIN
Pin function when selecting serial I/O
Clock I/O (SCK)
Serial data output (SOUT)
Serial data input (SIN)
Fig. 38 Serial I/O structure
Table 15 Serial I/O control register
Note: “R” represents read enabled, and “W” represents write enabled.
J13
0
1
J11
0
1
Serial I/O synchronous clock selection bits
Serial I/O port function selection bits
J12
0
1
0
1
J10
0
1
0
1
Serial I/O control register J1
at power down : state retained
at reset : 00002
J13
J12
J11
J10
Synchronous clock
Instruction clock (INSTCK) divided by 8
Instruction clock (INSTCK) divided by 4
Instruction clock (INSTCK) divided by 2
External clock (SCK input)
Port function
D6, D5, D4 selected/SCK, SOUT, SIN not selected
SCK, SOUT, D4 selected/D6, D5, SIN not selected
SCK, D5, SIN selected/D6, SOUT, D4 not selected
SCK, SOUT, SIN selected/D6, D5, D4 not selected
R/W
TAJ1/TJ1A
1/8
1/4
1/2
00
01
10
11
Synchronous
circuit
Serial I/O counter (3)
SIOF
Serial I/O
interrupt
INSTCK
D6/SCK
SCK
QS
R
MSB Serial I/O register (8) LSB
SIN
J11 J10
J13J12
Register B (4)
Register A (4)
TSIAB
TABSI
SOUT
D5/SOUT
D4/SIN
SST
instruction
Internal reset signal
Note: Even when the SCK, SOUT, SIN pin functions are used, the input of
D6, D5, D4 are valid.
相關(guān)PDF資料
PDF描述
M34550E8FS 4-BIT, UVPROM, 1.6 MHz, MICROCONTROLLER, CQCC80
M34551E8-XXXFP 4-BIT, OTPROM, MICROCONTROLLER, PQFP48
M34554M8-XXXFP 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP64
M34554MC-XXXFP 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP64
M34571G6FP 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PDSO24
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M3452-C09K1 制造商:Bonitron 功能描述:OVERVOLTAGE BRAKING TRANSISTOR
M3452-C125K2 制造商:Bonitron 功能描述:OVERVOLTAGE BRAKING TRANSISTOR
M3452-C125K2,A 制造商:Bonitron 功能描述:OVERVOLTAGE BRAKING TRANSISTOR
M3452-C150B7 制造商:Bonitron 功能描述:OVERVOLTAGE BRAKING TRANSISTOR
M3452-C150B7-A 制造商:Bonitron 功能描述:OVERVOLTAGE BRAKING TRANSISTOR