H838776 datasheet(45/594 Pages) RENESAS

Part #	H838776

Description	12 Input / 9 Output Video Switch Matrix with Input Clamp, Input Bias Circuitry, and Output Drivers

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Manufacturer	RENESAS [Renesas Technology Corp]

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Section 2 CPU

Rev. 1.00 Dec. 18, 2006 Page 23 of 568

REJ09B0348-0100

SP (ER7)

Empty area

Stack area

Figure 2.4 Relationship between Stack Pointer and Stack Area

2.2.2

Program Counter (PC)

This 24-bit counter indicates the address of the next instruction the CPU will execute. The length

of all CPU instructions is 2 bytes (one word), so the least significant PC bit is ignored. (When an

instruction is fetched, the least significant PC bit is regarded as 0). The PC is initialized when the

start address is loaded by the vector address generated during reset exception-handling sequence.

2.2.3

Condition-Code Register (CCR)

This 8-bit register contains internal CPU status information, including an interrupt mask bit (I) and

half-carry (H), negative (N), zero (Z), overflow (V), and carry (C) flags. The I bit is initialized to 1

by reset exception-handling sequence, but other bits are not initialized.

Some instructions leave flag bits unchanged. Operations can be performed on the CCR bits by the

LDC, STC, ANDC, ORC, and XORC instructions. The N, Z, V, and C flags are used as branching

conditions for conditional branch (Bcc) instructions.

For the action of each instruction on the flag bits, see appendix A.1, Instruction List.

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Manufacturer	Part #	Datasheet	Description
Fairchild Semiconductor	FMS6501	361Kb / 14P	12 Input / 9 Output Video Switch Matrix with Input Clamp, Input Bias Circuitry, and Output Drivers
	FMS6501	166Kb / 16P	12 Input 9 Output Video Switch Matrix with Input Clamp, Input Bias Circuitry, and Output Drivers
	FMS6501	311Kb / 14P	12 Input / 9 Output Video Switch Matrix with Input Clamp, Input Bias Circuitry, and Output Drivers
	FMS6502	538Kb / 13P	8-Input, 6-Output Video Switch Matrix with Output Drivers, Input Clamp, and Bias Circuitry
ON Semiconductor	FMS6501	433Kb / 16P	12 Input / 9 Output Video Switch Matrix April 2007 Rev. 1.0.4
	FMS6501A	987Kb / 16P	12x9 Video Switch Matrix with Input Clamp January 2013 Rev. 1.0.0
	FMS6502	660Kb / 15P	8-Input, 6-Output Video Switch Matrix January 2007 Rev. 1.0.0
Mitsumi Electronics, Co...	MM1111	231Kb / 10P	2-Input 1-Output Video Switch / 3-Input 1-Output Video Switch
New Japan Radio	NJM2595	585Kb / 9P	5-INPUT 3-OUTPUT VIDEO SWITCH
New Japan Radio	NJM2535	196Kb / 4P	3-INPUT 1-OUTPUT VIDEO SWITCH??????