參數(shù)資料
型號(hào)： UPD17201A
廠商： NEC Corp.
英文描述： 4-BIT SINGLE-CHIP MICROCONTROLLER WITH LCD CONTROLLER/DRIVER AND A/D CONVERTER FOR INFRARED REMOTE CONTROL TRANSMITTERS
中文描述： 4位單片機(jī)與LCD控制器/驅(qū)動(dòng)器和A / D轉(zhuǎn)換器紅外遙控遞質(zhì)
文件頁(yè)數(shù)： 23/120頁(yè)
文件大?。?/td> 516K
代理商： UPD17201A
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μ
PD17201A, 17207
23
Table 4-2 Relations between Peripheral Hardware and Data Buffer
Peripheral Registers Transferring Data with Data Buffer
Peripheral Hardware
Name
Symbol
Peripheral
Address
Data Buffer
Used
Execution of Put/Get
Serial Interface
Shift Register
SIOSFR
01H
DBF0, DBF1
Both PUT & GET
8-bit Timer
8-bit counter
TMC
02H
DBF0, DBF1
Only GET
8-bit modulo register
TMM
02H
DBF0, DBF1
Only PUT
Remote Controller
Carrier Generator
NRZ low-level period
setting modulo register
NRZLTMM
03H
DBF0, DBF1
Both PUT & GET
Circuit
NRZ high-level period
setting modulo register
NRZHTMM
04H
DBF0, DBF1
PUT (Clears bits 2 and 3
of DBF1 to 0.)
GET (Always clears bits 2
and 3 of DBF1 to 0.)
A/D Converter
A/D converter internal
reference voltage
setting register
ADCR
05H
DBF0, DBF1
Both PUT & GET
Address Register
Address register
AR
40H
DBF0-DBF3
PUT (Bits 0-3 of AR3 are
don’t care.)
GET (Always clears bits
0-3 of AR3 to 0.)
(2) Table reference
A MOVT instruction reads constant data from a specified location of the program memory (ROM) and sets it
in the data buffer.
The function of the MOVT instruction is explained below.
MOVT DBF,@AR: Reads data from a program memory location pointed to by the address register (AR) and
sets it in the data buffer (DBF).
DBF 3
DBF 2
DBF 1
DBF 0
MOVT
b
15
b
0
16 bits
Program memory (ROM)
Data buffer
DBF, @ AR
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參數(shù)描述
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