参数资料
型号: UPD70F3261YGF-JBT-A
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 32 MHz, MICROCONTROLLER, PQFP100
封装: 14 X 20 MM, PLASTIC, QFP-100
文件页数: 62/129页
文件大小: 8549K
代理商: UPD70F3261YGF-JBT-A
CHAPTER 1 INTRODUCTION
User’s Manual U16541EJ5V1UD
38
(20) CRC function
A CRC operation circuit that generates 16-bit CRC (Cyclic Redundancy Check) code upon setting of 8-bit
data is provided on chip.
(21) On-chip debug function
An on-chip debug function via an on-chip debug emulator that uses the JTAG (Joint Test Action Group)
communication specifications is provided.
Switching between the normal port function and on-chip
debugging function is done with the control pin input level and the on-chip debug mode register (OCDM).
The on-chip debug function is provided only in flash memory versions.
(22) Ports
The following general-purpose port functions and control pin functions are available.
Port
I/O
Alternate Function
P0
5-bit I/O
NMI, external interrupt, A/D converter trigger, debug reset
P1
2-bit I/O
D/A converter analog output
P3
10-bit I/O
External interrupt, serial interface, timer I/O, CAN data I/O, IEBus data I/O
P4
3-bit I/O
Serial interface
P5
6-bit I/O
Timer I/O, real-time output, key interrupt input, serial interface, debug I/O
P7
12-bit I/O
A/D converter analog input
P9
16-bit I/O
External address bus, serial interface, key interrupt input, timer I/O, external interrupt
PCM
4-bit I/O
External control signal
PCT
4-bit I/O
External control signal
PDH
6-bit I/O
External address bus
PDL
16-bit I/O
External address/data bus
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