Section 19 Keyboard Buffer Control Unit (PS2)
Rev. 1.00 Apr. 28, 2008 Page 588 of 994
REJ09B0452-0100
KD
(PS2AD,
PS2BD,
PS2CD,
PS2DD)
KDI
Transmission
start
Transmit counter
nalue
KCLKI
KDO
KCLKO
Parity
Register counter value
KBI interrupt
KCI interrupt
KTI interrupt
KCLK
(PS2AC,
PS2BC,
PS2CC,
PS2DC)
[Legend]
KD:
PS2 data I/O pin
KCLK:
PS2 clock I/O pin
KBBR:
Keyboard data buffer register
KBCRH:
Keyboard control register H
KBCRL:
Keyboard control register L
KBTR:
Keyboard buffer transmit data register
KBCR1:
Keyboard control register 1
KBCR2:
Keyboard control register 2
KBBR
KBCRH
KBCRL
Bus interface
Internal
data bus
KBTR
KBCR1
KBCR2
Module data bus
Control
logic
Figure 19.1 Block Diagram of PS2
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...