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MiEM78P468N
IBM MiEM78P468N Manuals
Manuals and User Guides for IBM MiEM78P468N. We have
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IBM MiEM78P468N manual available for free PDF download: Product Specification
IBM MiEM78P468N Product Specification (82 pages)
IBM 8-Bit Microcontroller Product Specification
Brand:
IBM
| Category:
Controller
| Size: 0.86 MB
Table of Contents
Table of Contents
3
1 General Description
7
2 Features
7
3 Pin Assignment
8
4 Block Diagram
9
5 Pin Description
10
6 Function Description
12
Operational Registers
12
R0/IAR (Indirect Addressing Register)
12
R1/TCC (Timer Clock Counter)
12
R2/PC (Program Counter)
12
Contents
12
R3/SR (Status Register)
14
R4/RSR (RAM Select Register)
15
R5/Port
15
R6/Port 6 (Port 6 I/O Data Register)
15
R7/Port 7 (Port 7 I/O Data Register)
15
R8/Port 8 (Port 8 I/O Data Register)
16
R9/LCDCR (LCD Control Register)
16
RA/LCD_ADDR (LCD Address)
17
RB/LCD_DB (LCD Data Buffer)
17
RC/CNTER (Counter Enable Register)
17
RD/SBPCR (System, Booster and PLL Control Register)
18
RE/IRCR (IR and Port 5 Setting Control Register)
19
RF/ISR (Interrupt Status Register)
20
Address: 10H~3Fh; R10~R3F (General Purpose Register)
20
Special Purpose Registers
21
A (Accumulator)
21
IOC50/P5CR (Port 5 I/O and Ports 7, 8 for LCD Segment Control Register)
21
IOC60/P6CR (Port 6 I/O Control Register)
22
IOC70/P7CR (Port 7 I/O Control Register)
22
IOC80/P8CR (Port 8 I/O Control Register)
22
IOC90/RAM_ADDR (128 Bytes RAM Address)
22
IOCA0/RAM_DB (128 Bytes RAM Data Buffer)
22
IOCB0/CNT1PR (Counter 1 Preset Register)
23
IOCC0/CNT2PR (Counter 2 Preset Register)
23
IOCD0/HPWTPR (High-Pulse Width Timer Preset Register)
23
IOCE0/LPWTPR (Low-Pulse Width Timer Preset Register)
24
IOCF0/IMR (Interrupt Mask Register)
24
IOC61/WUCR (Wake-Up and Sink Current of P5.7/IROUT Control Register)
24
IOC71/TCCCR (TCC Control Register)
25
IOC81/WDTCR (WDT Control Register)
26
IOC91/CNT12CR (Counters 1, 2 Control Register)
26
IOCA1/HLPWTCR (High/Low Pulse Width Timer Control Register)
27
IOCB1/P6PH (Port 6 Pull-High Control Register)
28
IOCC1/P6OD (Port 6 Open Drain Control Register)
28
IOCD1/P8PH (Port 8 Pull High Control Register)
28
IOCE1/P6PL (Port 6 Pull Low Control Register)
28
TCC and WDT Prescaler
29
I/O Ports
31
Oscillator
36
Oscillator Modes
36
Phase Lock Loop (PLL Mode)
36
Crystal Oscillator/Ceramic Resonators (Crystal)
37
RC Oscillator Mode with Internal Capacitor
38
Power-On Considerations
38
External Power-On Reset Circuit
39
Residue-Voltage Protection
39
Interrupt
40
LCD Driver
41
R9/LCDCR (LCD Control Register)
41
RA/LCD_ADDR (LCD Address)
42
RB/LCD_DB (LCD Data Buffer)
42
RD/SBPCR (System, Booster and PLL Control Registers)
43
Infrared Remote Control Application/Pwm Waveform Generate
47
Code Options
51
Instruction Set
52
Timing Diagram
55
7 Absolute Maximum Ratings
56
8 Electrical Characteristic
57
DC Electrical Characteristics
57
AC Electrical Characteristics
59
Device Characteristic
60
9 Application Circuit
72
A Package Type
73
Appendix
73
B Package Information
74
CEM78P468L Program Pin List
77
C EM78P468N/L Program Pin List
77
Dice 468Xa
78
D Ice 468Xa
78
E Quality Assurance and Reliability
81
Address Trap Detect
81
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