參數(shù)資料
型號: UPD17243MC-xxx-5A4
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS
中文描述: 4位單片微控制器的小型通用兩用紅外遙控遞質(zhì)
文件頁數(shù): 20/102頁
文件大?。?/td> 461K
代理商: UPD17243MC-XXX-5A4
20
Data Sheet U15002EJ1V0DS
μ
PD17240, 17241, 17242, 17243, 17244, 17245, 17246
2.3
Stack
A stack is a register used to save a program return address and the contents of system registers (to be described
later) when a subroutine is called or when an interrupt is acknowledged.
2.3.1
Stack configuration
Figure 2-5 shows the stack configuration.
A stack consists of a stack pointer (a 4-bit binary counter, the highest bit fixed to 0), five 11-bit (
μ
PD17240)/12-
bit (
μ
PD17241)/13-bit (
μ
PD17242, 17243)/14-bit (
μ
PD17244, 17245, 17246) address stack registers, and three 6-
bit interrupt stack registers.
Figure 2-5. Stack Configuration
Address stack registers
(ASR)
b
11
b
10
b
9
b
8
b
7
b
6
b
5
b
4
b
3
b
2
b
1
b
0
Address stack register 1
Address stack register 2
Address stack register 3
Address stack register 4
b
2
b
1
b
0
SPb
2
SPb
1
SPb
0
Stack pointer
(SP)
0H
1H
2H
3H
4H
5H
6H
7H
0H
1H
2H
Interrupt stack registers
(INTSK)
BANKSK1
BANKSK2
BCDSK0
BCDSK1
BCDSK2
CMPSK0
CMPSK1
CMPSK2
CYSK0
CYSK1
CYSK2
ZSK0
ZSK1
ZSK2
IXESK0
IXESK1
IXESK2
Address stack register 0
The RESET pin is
internally pulled down
and reset is effected.
b
3
0
b
12
PD17241
μ
PD17242, 17243
μ
PD17244, 17245, 17246
μ
b
4
b
3
b
2
b
5
BANKSK0
b
1
b
0
Undefined
Undefined
Undefined
b
13
PD17240
μ
相關(guān)PDF資料
PDF描述
UPD17244MC-xxx-5A4 4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS
UPD17245MC-xxx-5A4 4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS
UPD17246MC-xxx-5A4 4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS
UPD1724x 4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS
UPD17709GC 4-BIT SINGLE-CHIP MICROCONTROLLERS WITH DEDICATED HARDWARE FOR DIGITAL TUNING SYSTEM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UPD17244 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS
UPD17244MC-XXX-5A4 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS
UPD17245 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS
UPD17245MC-XXX-5A4 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS
UPD17246 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontrollers for Remote Controllers Pamphlet | Pamphlet[11/2002]