Section 19
Keyboard Buffer Control Unit (PS2)
Rev. 1.00 Apr. 28, 2008 Page 611 of 994
REJ09B0452-0100
Software standby mode
and watch mode
Interrupt
vector
generation
circuit
Interrupt control block
PS2
KCLK
B
A
Falling edge
detection circuit
Interrupt request
to CPU
Interrupt
control
Figure 19.16 First KCLK Interrupt Path
Software standby mode
and watch mode
internal signal
KCLK
1
2
Interrupt internal signal
Interrupt generated
(a) Interrupt timing in software standby mode and watch mode
Software standby mode
and watch mode
internal signal
KCLK
4
5
6
Interrupt internal signal
Interrupt generated
(b) When a transition to software standby mode or watch mode is performed while the KCLI is high
Software standby mode
and watch mode
internal signal
KCLK
4
5
6
Interrupt internal signal
Interrupt generated
(c) When a transition to software standby mode or watch mode is performed while the KCLK is low
Figure 19.17 Interrupt Timing in Software Standby Mode and Watch Mode
Summary of Contents for H8S/2100 Series
Page 2: ...Rev 1 00 Apr 28 2008 Page ii of xxvi...
Page 54: ...Section 1 Overview Rev 1 00 Apr 28 2008 Page 28 of 994 REJ09B0452 0100...
Page 92: ...Section 2 CPU Rev 1 00 Apr 28 2008 Page 66 of 994 REJ09B0452 0100...
Page 158: ...Section 5 Interrupt Controller Rev 1 00 Apr 28 2008 Page 132 of 994 REJ09B0452 0100...
Page 244: ...Section 8 8 Bit PWM Timer PWMU Rev 1 00 Apr 28 2008 Page 218 of 994 REJ09B0452 0100...
Page 330: ...Section 10 16 Bit Timer Pulse Unit TPU Rev 1 00 Apr 28 2008 Page 304 of 994 REJ09B0452 0100...
Page 416: ...Section 13 8 Bit Timer TMR Rev 1 00 Apr 28 2008 Page 390 of 994 REJ09B0452 0100...
Page 612: ...Section 18 I 2 C Bus Interface IIC Rev 1 00 Apr 28 2008 Page 586 of 994 REJ09B0452 0100...
Page 706: ...Section 20 LPC Interface LPC Rev 1 00 Apr 28 2008 Page 680 of 994 REJ09B0452 0100...
Page 752: ...Section 21 FSI Interface Rev 1 00 Apr 28 2008 Page 726 of 994 REJ09B0452 0100...
Page 774: ...Section 23 RAM Rev 1 00 Apr 28 2008 Page 748 of 994 REJ09B0452 0100...
Page 1008: ...Section 28 Electrical Characteristics Rev 1 00 Apr 28 2008 Page 982 of 994 REJ09B0452 0100...
Page 1020: ...Rev 1 00 Apr 28 2008 Page 994 of 994 REJ09B0452 0100...
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Page 1024: ...H8S 2117R Group Hardware Manual...