參數(shù)資料
型號: μPD754144
廠商: NEC Corp.
英文描述: 4 Bit Single Chip Microcontrollers(4位單片微控制器)
中文描述: 4位單片微控制器(4位單片微控制器)
文件頁數(shù): 19/88頁
文件大?。?/td> 417K
代理商: ΜPD754144
19
μ
PD754144, 754244
7. PERIPHERAL HARDWARE FUNCTIONS
7.1 Digital Input/Output Ports
The following two types of I/O ports are provided.
CMOS input (Port 7)
CMOS I/O (Ports 3, 6, 8)
:
:
4
9
Total
: 13
Table 7-1. Types and Features of Digital Ports
Port Name
Function
Operation and Features
Remarks
PORT3
4-bit I/O
Can be set to input or output mode bit-wise.
Also used as PTO0 to PTO2 pins.
PORT6
Also used as AV
REF
, INT0, PTH00,
and PTH01 pins.
PORT7
4-bit input
4-bit input only port
Also used as KR4 to KR7 pins.
On-chip pull-up resistor connection can be specified
by mask option bit-wise.
PORT8
1-bit I/O
Can be set to input or output mode bit wise.
_
7.2 Clock Generator
The clock generator provides the clock signals to the CPU and peripheral hardware. Its configuration is shown
in Figures 7-1 and 7-2.
The operation of the clock generator is set with the processor clock control register (PCC).
The instruction execution time can be changed.
μ
PD754144
4, 8, 16, 64
μ
s (when the system clock f
CC
operates at 1.0 MHz)
μ
PD754244
0.95, 1.91, 3.81, 15.3
μ
s (when the system clock f
X
operates at 4.19 MHz)
0.67, 1.33, 2.67, 10.7
μ
s (when the system clock f
X
operates at 6.0 MHz)
相關(guān)PDF資料
PDF描述
μPD754244 4 Bit Single Chip Microcontrollers(4位單片微控制器)
μPD754202 4 Bit Single Chip Microcontrollers(4位單片微控制器)
μPD754202(A) 4 Bit Single Chip Microcontrollers(4位單片微控制器)
μPD754264 4 Bit RISC Microcontrollers(4 位單片微控制器)
μPD75F4246(A) 8 Bit Single Chip Microcontrollers
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PD75-473K 功能描述:固定電感器 47uH 10% .21ohm Choke SMT Power Ind RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm
PD75-563K 功能描述:固定電感器 56uH 10% .24ohm Choke SMT Power Ind RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm
PD75-683K 功能描述:固定電感器 68uH 10% .3ohm Choke SMT Power Ind RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm
PD75-823K 功能描述:固定電感器 82uH 10% .37ohm Choke SMT Power Ind RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm
PD75G6FK13 制造商:American Power Conversion Corp (APC by Schneider Electric) 功能描述:75KVA PDU W/ 480 PRI 208/120 SEC K13 RATED XMER 制造商:Schneider Electric 功能描述:APC 75KVA PDU W/ 480 PRI 20 - Bulk