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| 型号： | MTA85812S-10I/SS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, OTPROM, 10 MHz, RISC MICROCONTROLLER, PDSO20 |
| 封装： | 0.209 INCH, PLASTIC, SSOP-20 |
| 文件页数： | 63/72页 |
| 文件大小： | 760K |
| 代理商： | MTA85812S-10I/SS |
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MTA85XXX
DS40115C-page 66
1995 Microchip Technology Inc.
Figure 15-2:
Electrical Structure of MCLR and
T0CKI Pins.................................................. 39
Figure 15-3:
Load Conditions.......................................... 39
Figure 15-4:
External Clock Timing ................................. 40
Figure 15-5:
CLKOUT and I/O Timing............................. 41
Figure 15-6:
Reset, Watchdog Timer, and
Device Reset Timer Timing ........................ 42
Figure 15-7:
TIMER0 Clock Timings ............................... 43
Figure 16-1:
Typical RC Oscillator Frequency vs.
Temperature ............................................... 44
Figure 16-2:
Typical RC Oscillator Frequency vs. VDD ... 45
Figure 16-3:
Typical RC Oscillator Frequency vs. VDD ... 45
Figure 16-4:
Typical RC Oscillator Frequency vs. VDD ... 45
Figure 16-5:
Typical IPD vs. VDD Watchdog
Disabled 25
°C............................................. 46
Figure 16-6:
Maximum IPD vs. VDD Watchdog
Disabled ...................................................... 46
Figure 16-7:
Typical IPD vs. VDD Watchdog
Enabled 25
°C.............................................. 46
Figure 16-8:
Maximum IPD vs. VDD Watchdog Enabled.. 46
Figure 16-9:
VTH (Input Threshold Voltage)
of I/O Pins vs. VDD ...................................... 47
Figure 16-10: VIH, VIL of MCLR, T0CKI and OSC1
(in RC Mode) vs. VDD ................................. 47
Figure 16-11: VTH (Input Threshold Voltage)
of I/O Pins vs. VDD ...................................... 47
Figure 16-12: Typical IDD vs. Frequency
(External Clock 25
°C) ................................. 48
Figure 16-13: Maximum IDD vs. Frequency
(External Clock -40
°C to +85°C)................. 48
Figure 16-14: Maximum IDD vs. Frequency
(External Clock -55
°C to +125°C)............... 49
Figure 16-15: WDT Timer Time-out Period vs. VDD .......... 49
Figure 16-16: Transconductance (gm)
of HS Oscillator vs. VDD .............................. 49
Figure 16-17: Transconductance (gm)
of LP Oscillator vs. VDD .............................. 50
Figure 16-18: IOH vs. VOH, VDD = 3V ................................ 50
Figure 16-19: Transconductance (gm)
of XT Oscillator vs. VDD .............................. 50
Figure 16-20: IOH vs. VOH, VDD = 5V ................................ 50
Figure 16-21: IOL vs. VOL, VDD = 3V ................................. 51
Figure 16-22: IOL vs. VOL, VDD = 5V ................................. 51
Figure 17-1:
Data Transfer Sequence on the Serial Bus 52
Figure 17-2:
EEPROM Control Codes ............................ 53
Figure 17-3:
Control Byte Allocation ............................... 53
Figure 18-1:
Byte Write ................................................... 54
Figure 18-2:
Page Write .................................................. 54
Figure 18-3:
Acknowledge Polling Flow .......................... 55
Figure 19-1:
Current Address Read ................................ 56
Figure 19-2:
Random Read............................................. 56
Figure 19-3:
Sequential Read ......................................... 57
Figure 21-1:
PICMASTER System Configuration ........... 60
Table of Tables
Table 1-1:
Family Overview ........................................... 4
Table 5-1:
PIC16C5X Register File Summary ........... 11
Table 5-2:
Events Affecting TO/PD Status bits ............ 15
Table 5-3:
TO/PD Status After Reset........................... 15
Table 7-1:
Reset Condition For Registers.................... 19
Table 9-1:
Instruction Set Summary ............................ 22
Table 10-1:
Summary of Registers Associated
with the Watchdog Timer ............................ 23
Table 11-1:
Capacitor Selection for
Ceramic Resonators ................................... 24
Table 11-2:
Capacitor Selection For Crystal Oscillator .. 24
Table 12-1:
TO/PD Status After Reset .......................... 27
Table 12-2:
Reset Conditions for Special Registers...... 27
Table 12-3:
Reset Conditions for All Registers.............. 27
Table 15-1:
Cross Reference of Device Specs
for Oscillator Configurations
and Frequencies of Operation
(Commercial Devices) ................................ 32
Table 15-2:
DC Characteristics of Microcontroller
MTA854XX-04 (Industrial) .......................... 33
Table 15-3:
DC Characteristics of Microcontroller
MTA858XX-04 (Industrial) /
MTA858XX-10 (Industrial) .......................... 34
Table 15-4:
DC Characteristics of Inputs/Outputs:
MTA854XX-04 (Industrial) /
MTA858XX-04 (Industrial) /
MTA858XX-10 (Industrial) .......................... 35
Table 15-5:
AC Characteristics of Microcontroller:
MTA854XX-04 (Industrial) /
MTA858XX-04 (Industrial) /
MTA858XX-10 (Industrial) .......................... 36
Table 15-6:
AC Characteristics of EEPROM ................. 38
Table 15-7:
External Clock Timing Requirements ......... 40
Table 15-8:
CLKOUT and I/O Timing Requirements ..... 41
Table 15-9:
Reset, Watchdog Timer,
and Device Reset Timer ............................. 42
Table 15-10:
TIMER0 Clock Requirements..................... 43
Table 16-1:
RC Oscillator Frequencies.......................... 44
Table 21-1:
PICMASTER Probe Specification............... 60
Table 21-2:
Development System Packages................. 62
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