參數(shù)資料
型號(hào)： UPD17149
廠商： NEC Corp.
英文描述： SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述： 小，通用4位單晶片微控制器
文件頁(yè)數(shù)： 6/102頁(yè)
文件大?。?/td> 408K
代理商： UPD17149
6
μ
PD17145(A1), 17147(A1), 17149(A1)
CONTENTS
1.
1.1. Pin Function .....................................................................................................................................9
1.2
Equivalent Circuit of Pin ...............................................................................................................11
1.3
Handling of Unused Pins..............................................................................................................15
1.4
Note on Using RESET and P0F
0
/RLS Pins ...............................................................................16
PIN .....................................................................................................................................9
2.
2.1
PROGRAM MEMORY (ROM)...................................................................................... 17
Configuration of Program Memory ..............................................................................................17
3.
3.1
3.2
PROGRAM COUNTER (PC) ....................................................................................... 18
Configuration of Program Counter ..............................................................................................18
Operation of Program Counter ....................................................................................................18
4.
4.1
4.2
STACK ........................................................................................................................... 19
Configuration of Stack ..................................................................................................................19
Stack Function ...............................................................................................................................19
5.
5.1
DATA MEMORY (RAM) ............................................................................................... 20
Configuration of Data Memory.....................................................................................................20
6.
6.1
GENERAL REGISTER (GR)........................................................................................ 21
General Register Pointer (RP).....................................................................................................21
7.
7.1
SYSTEM REGISTER (SYSREG) ................................................................................ 22
Configuration of System Register ...............................................................................................22
8.
8.1
8.2
REGISTER FILE (RF) .................................................................................................. 24
Configuration of Register File......................................................................................................24
Function of Register File ..............................................................................................................25
9.
9.1
9.2
DATA BUFFER (DBF) ................................................................................................. 26
Configuration of Data Buffer ........................................................................................................26
Function of Data Buffer ................................................................................................................27
10.
10.1 Configuration of ALU Block..........................................................................................................28
ALU BLOCK.................................................................................................................. 28
11.
11.1 Port 0A (P0A
0
, P0A
1
, P0A
2
, P0A
3
) ..............................................................................................30
11.2 Port 0B (P0B
0
, P0B
1
, P0B
2
, P0B
3
) ..............................................................................................31
11.3 Port 0C (P0C
0
/ADC
0
, P0C
1
/ADC
1
, P0C
2
/ADC
2
, P0C
3
/ADC
3
)...................................................32
11.4 Port 0D (P0D
0
/SCK, P0D
1
/SO, P0D
2
/SI, P0D
3
/TM1OUT) ........................................................33
11.5 Port 0E (P0E
0
, P0E
1
, P0E
2
, P0E
3
) ..............................................................................................34
11.6 Port 0F (P0F
0
/RLS, P0F
1
/V
REF
) ...................................................................................................34
PORTS ........................................................................................................................... 30
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