C501G-1E SIEMENS [Siemens Semiconductor Group], C501G-1E Datasheet - Page 5
C501G-1E
Manufacturer Part Number
C501G-1E
Description
8-Bit Single-Chip Microcontroller
Manufacturer
SIEMENS [Siemens Semiconductor Group]
Datasheet
1.C501G-1E.pdf
(121 pages)
- Current page: 5 of 121
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Table of Contents
6.2.2
6.2.2.1 Timer 2 Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-23
6.2.2.2 Auto-Reload (Up or Down Counter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-26
6.2.2.3 Capture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-28
6.3
6.3.1
6.3.2
6.3.3
6.3.3.1 Using Timer 1 to Generate Baud Rates . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-33
6.3.3.2 Using Timer 2 to Generate Baud Rates . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-34
6.3.4
6.3.5
6.3.6
7
7.1
7.1.1
7.1.2
7.1.3
7.2
7.3
7.4
7.5
8
8.1
8.2
8.3
8.4
9
9.1
9.2
9.3
9.4
9.5
Semiconductor Group
Timer/Counter 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-22
Serial Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-29
Multiprocessor Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-30
Serial Port Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-30
Baud Rates Generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-32
Details about Mode 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-36
Details about Mode 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-39
Details about Modes 2 and 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-42
Interrupt System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Interrupt Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
Interrupt Enable Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
Interrupt Priority Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6
Interrupt Priority Level Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
How Interrupts are Handled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8
External Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-10
Interrupt Response Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-11
Power Saving Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
Power Saving Mode Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
Idle Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
Power Down Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3
State of Pins in Software Initiated Power Saving Modes . . . . . . . . . . . . . . . 8-4
OTP Memory Operation of the C501-1E . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
Programming Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
Quick-Pulse Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2
Encryption Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
Security Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
OTP Memory Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-4
Interrupt Request / Control Flags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-4
I-2
C501
Page
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