參數(shù)資料
型號(hào)： UPD750106GBA
廠商： NEC Corp.
英文描述： 4 BIT SINGLE-CHIP MICROCONTROLLER
中文描述： 4位單片機(jī)
文件頁(yè)數(shù)： 21/80頁(yè)
文件大?。?/td> 525K
代理商： UPD750106GBA
21
μ
PD750104, 750106, 750108, 750104(A), 750106(A), 750108(A)
When the serial interface function is used, dual-function pins
function as output pins in some operation modes.
4-bit input port
Allows input or output mode setting in units of 4 bits.
Allows input or output mode setting in units of 1 bit.
Operation and feature
Port name
PORT0
PORT1
PORT2
PORT3
PORT4
PORT5
PORT6
PORT7
PORT8
6. PERIPHERAL HARDWARE FUNCTIONS
6.1 Digital I/O Ports
The
μ
PD750108 has the following three types of I/O port:
8 CMOS input pins (PORT0 and PORT1)
18 CMOS I/O pins (PORT2, PORT3, and PORT6 to PORT8)
8 N-ch open-drain I/O pins (PORT4 and PORT5)
Total: 34 pins
Table 6-1. Digital Ports and Their Features
6.2 Clock Generator
The clock generator generates clocks which are supplied to the peripheral hardware in the CPU. Figure 6-1 shows
the configuration of the clock generator.
Operation of the clock generator is specified by the processor clock control register (PCC) and system clock control
register (SCC).
The main system clock and subsystem clock are used.
The instruction execution time can be made variable.
4, 8, 16, or 64
μ
s (when the main system clock is at 1.0 MHz)
2, 4, 8, or 32
μ
s (when the main system clock is at 2.0 MHz)
122
μ
s (when the subsystem clock is at 32.768 kHz)
Allows input or output mode setting in
units of 4 bits. Whether to use pull-up
resistors can be specified bit by bit with
the mask option.
Allows input or output mode setting in
units of 1 bit.
Allows input or output mode setting in
units of 4 bits.
Ports 4 and 5 can be
paired, allowing data
I/O in units of 8 bits.
Ports 6 and 7 can be
paired, allowing data
I/O in units of 8 bits.
4-bit input
4-bit I/O
4-bit I/O (N-ch
open-drain can
withstand 13 V)
4-bit I/O
2-bit I/O
Also used as INT4, SCK,
SO/SB0, or SI/SB1.
Also used as INT0, INTI,
INT2 or TI0.
Also used as PTO0,
PTO1, PCL, or BUZ.
-
Also used as one of KR0
to KR3.
Also used as one of KR4
to KR7.
-
Allows input or output mode setting in units of 2 bits.
Function
Remarks
相關(guān)PDF資料
PDF描述
UPD750108 4 BIT SINGLE-CHIP MICROCONTROLLER
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