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參數(shù)資料
| 型號： | Z86E15 |
| 廠商： | ZiLOG, Inc. |
| 英文描述： | CMOS Z8 8-BIT OTP Keyboard Controller(COMS 8位鍵盤微控制器) |
| 中文描述： | 的CMOS Z8 8位檢察官鍵盤控制器（COMS衛(wèi)星8位鍵盤微控制器） |
| 文件頁數(shù)： | 14/25頁 |
| 文件大?。?/td> | 1536K |
| 代理商： | Z86E15 |
Z86E15 OTP
CMOS Z8 8-Bit OTP Keyboard Controller
Zilog
14
P R E L I M I N A R Y
DS97KEY1501
PIN FUNCTIONS
(Continued)
Program Memory.
The 16-bit program counter addresses
4 KB of program memory space at internal locations (Fig-
ure 11).
The first 12 bytes of program memory are reserved for the
interrupt vectors. These locations have six 16-bit vectors
that correspond to the five available interrupts.
Byte 12 to byte 4095 consists of on-chip, mask pro-
grammed ROM. Addresses 4096 and greater are re-
served.
Register File
. The register file (Figure 13) consists of four
I/O port registers, 188 general-purpose registers (exclud-
ing P00-P03), and 11 control and status registers (R3-R0,
R191-R4, and R255-R240, respectively). The instructions
can access registers directly or indirectly through an 8-bit
address field. This allows short, 4-bit register addressing
using the Register Pointer. In the 4-bit mode, the register
file is divided into nine working-register groups, each occu-
pying 16 continuous locations. The Register Pointer ad-
dresses the starting location of the active working-register
group.
Figure 11. Program Memory Map
Figure 12. Register Pointer Register
12
11
10
9
8
7
6
5
4
3
2
1
0
4K
EPROM
Location of
First Byte of
Instruction
Executed
After RESET
Interrupt
Vector
(Lower Byte)
Interrupt
Vector
(Upper Byte)
Reserved
IRQ4
IRQ4
IRQ3
IRQ3
IRQ2
IRQ2
IRQ1
IRQ1
IRQ0
IRQ0
Reserved
65535
4096
4095
Reserved
D7 D6 D5 D4 D3 D2 D1 D0
R253 RP
Reserved
Working Register
Group
Default setting after RESET = 00000000
Figure 13. Register File Configuration
Stack Pointer (Bits 7-0)
R25
5
Reserved
Register Pointer
Program Control Flags
Interrupt Mask Register
Interrupt Request Register
Interrupt Priority Register
Reserved
Port 3 Mode
Port 2 Mode
T0 Prescaler
Timer/Counter0
Reserved
Reserved
Timer Mode
Reserved
Not Implemented
General-Purpose
Registers
Port 3
Port 2
Port 1
Port 0
R25
4
R253
R252
R251
R250
R249
R248
R247
R246
R245
R244
R243
R242
R241
R240
R 191
R3
R2
R1
R0
SPL
RP
FLAGS
IMR
IRQ
IPR
P3M
P2M
PREQ
T0
TMR
P3
P2
P1
P0
R4
LOCATION
IDENTIFIERS
Note:* Will not be reset with a STOP Mode Recovery.
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| Z86E1505FSC | 制造商:ZILOG 制造商全稱:ZILOG 功能描述:CMOS Z8 8-Bit OTP Keyboad Controller |
| Z86E1505PSC | 功能描述:8位微控制器 -MCU 4K OTP 5MHz KYBD RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
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| Z86E1505VSC | 制造商:ZILOG 制造商全稱:ZILOG 功能描述:CMOS Z8 8-Bit OTP Keyboad Controller |
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