參數(shù)資料
型號: μPD30102
廠商: NEC Corp.
英文描述: 64-/32-BIT Microprocessor(64/32位微處理器)
中文描述: 64-/32-BIT微處理器(64/32位微處理器)
文件頁數(shù): 60/112頁
文件大?。?/td> 639K
代理商: ΜPD30102
μ
PD30102
60
Preliminary Data Sheet
14. PIU (TOUCH PANEL UNIT)
14.1 General
PIU uses an on-chip 10-bit A/D converter and detects the X and Y coordinates of pen contact locations on the touch
panel, and scans the general-purpose A/D input port. Since the touch panel control circuit and the A/D converter
(conversion precision: 10 bits) are both on-chip, the touch panel can be connected directly to the V
R
4102.
Figure 14-1. PIU Peripheral Block Diagram
I/O
Buffer
AUDIOIN
ADIN2
ADIN1
ADIN0
S
4
I/O
Buffer
TPY1
TPY0
TPX1
TPX0
4
1
ADC
PIU
AIU
V
R
4102
Touch panel
Battery, etc.
Table 14-1. PIU Registers
Physical Address
Symbol
Function
0x0B00 0122
0x0B00 0124
PIUCNTREG
PIUINTREG
PIU control register
PIU interrupt register
0x0B00 0126
0x0B00 0128
PIUSIVLREG
PIUSTBLREG
PIU data sampling cycle set register
PIU A/D converter wait time set register
0x0B00 012A
0x0B00 0130
PIUCMDREG
PIUASCNREG
PIU A/D command register
PIU A/D port scan register
0x0B00 0132
0x0B00 013E
PIUAMSKREG
PIUCIVLREG
PIU A/D scan mask register
PIU count register
0x0B00 02A0
0x0B00 02A2
PIUPB00REG
PIUPB01REG
PIU page 0 buffer 0 register
PIU page 0 buffer 1 register
0x0B00 02A4
0x0B00 02A6
PIUPB02REG
PIUPB03REG
PIU page 0 buffer 2 register
PIU page 0 buffer 3 register
0x0B00 02A8
0x0B00 02AA
PIUPB10REG
PIUPB11REG
PIU page 1 buffer 0 register
PIU page 1 buffer 1 register
0x0B00 02AC
0x0B00 02AE
PIUPB12REG
PIUPB13REG
PIU page 1 buffer 2 register
PIU page 1 buffer 3 register
0x0B00 02B0
0x0B00 02B2
PIUAB0REG
PIUAB1REG
PIU A/D scan buffer 0 register
PIU A/D scan buffer 1 register
0x0B00 02B4
0x0B00 02B6
PIUAB2REG
PIUAB3REG
PIU A/D scan buffer 2 register
PIU A/D scan buffer 3 register
0x0B00 02BC
0x0B00 02BE
PIUPB04REG
PIUPB14REG
PIU page 0 buffer 4 register
PIU page 1 buffer 4 register
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