參數(shù)資料
型號(hào): μPD703002
廠商: NEC Corp.
英文描述: 16/32 Bit Single Chip Microcontrollers(16/32 位單片微控制器)
中文描述: 16/32位單片機(jī)微控制器(16/32位單片微控制器)
文件頁(yè)數(shù): 24/72頁(yè)
文件大小: 528K
代理商: ΜPD703002
24
μ
PD703002
8.3 Clocked Serial Interface 0 to 2 (CSI0 to CSI2)
8.3.1 Features
Number of channels: 3 (CSIn)
High-speed transfer rate
6.25 Mbps MAX. (with
φ
/2,
φ
= 25 MHz)
Half-duplex communication
Data length of 8 bits
Selection of external serial clock input/internal serial clock output
Three pins used
SOn
: Serial data output pin
SIn
: Serial data input pin
SCKn : Serial clock I/O pin
Interrupt request signal (INTCSIn)
MSB first/LSB first can be switched for data
Three interrupt sources
Remark
1
.
φ
indicates the system clock.
2
. n = 0 to 2
8.3.2 Configuration
I
CTXE0 CRXE0 CSOT0 MOD0 CLS01 CLS00
CSIM0
SI0
SO0
SCK0
Serial I/O
Shift Register (SIO0)
SO Latch
D
Q
2
1
Serial Clock
Controller Circuit
Serial Clock
Counter
Interrupt
Controller
INTCSI0
Baud Rate Generator
/2
φ
S
S
CSI0
CSI1
SI1
SO1
SCK1
CSI2
SI2
SO2
SCK2
φ
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