Section 19
Keyboard Buffer Control Unit (PS2)
Rev. 1.00 Apr. 28, 2008 Page 591 of 994
REJ09B0452-0100
19.3.1
Keyboard Control Register 1 (KBCR1)
KBCR1 controls data transmission and interrupt, selects parity, and detects transmit error.
Bit Bit
Name
Initial
Value R/W Description
7 KBTS 0 R/W
Transmit
Start
Selects start of data transmission or disables
transmission.
0: Data transmission is disabled
[Clearing conditions]
•
When 0 is written
•
When the KBTE is set to 1
•
When the KBIOE is cleared to 0
1: Starts data transmission
[Setting condition]
When 1 is written after reading the KBTS = 0
6
PS
0
R/W
Transmit Parity Selection
Selects even or odd parity.
0: Selects odd parity
1: Selects even parity
5
KCIE
0
R/W
First KCLK Falling Interrupt Enable
Selects whether an interrupt at the first falling edge of
KCLK is enabled or disabled.
0: Disables first KCLK falling interrupt
1: Enables first KCLK falling interrupt
4
KTIE
0
R/W
Transmit Completion Interrupt Enable
Selects whether a transmit completion interrupt is
enabled or disabled.
0: Disables transmit completion interrupt
1: Enables transmit completion interrupt
3
0
Reserved
The initial value should not be changed.
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...
Page 1023: ......
Page 1024: ...H8S 2117R Group Hardware Manual...