DF2117VLP20V Renesas Electronics America, DF2117VLP20V Datasheet - Page 619
DF2117VLP20V
Manufacturer Part Number
DF2117VLP20V
Description
IC H8S/2117 MCU FLASH 145TFLGA
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Datasheet
1.DF2117VBG20V.pdf
(960 pages)
Specifications of DF2117VLP20V
Core Processor
H8S/2600
Core Size
16-Bit
Speed
20MHz
Connectivity
FIFO, I²C, LPC, SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
112
Program Memory Size
160KB (160K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 16x10b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
145-TFLGA
For Use With
HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)3DK2166 - DEV EVAL KIT H8S/2166
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2117VLP20V
Manufacturer:
Renesas
Quantity:
100
Part Number:
DF2117VLP20V
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
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18.4
18.4.1
In a receive operation, both KCLK (clock) and KD (data) are outputs on the keyboard side and
inputs on this LSI chip (system) side. KD receives a start bit, 8 data bits (LSB-first), an odd parity
bit, and a stop bit, in that order. The KD value is valid when KCLK is low. Value of KD is valid
when the KCLK is low. A sample receive processing flowchart is shown in figure 18.3, and the
receive timing in figure 18.4.
Receive data processing
Operation
Receive Operation
(receive enabled state)
Receive enabled state
and KDI bits both
Clear KBF flag
Set KBIOE bit
Read KBCRH
Read KBBR
Set KBE bit
PER = 0?
KBS = 1?
KBF = 1?
KCLKI
Start
1?
Yes
Yes
Yes
Yes
Figure 18.3 Sample Receive Processing Flowchart
[1]
[2]
[3]
No
No
No
No
[6]
Error handling
Keyboard side in data
Execute receive abort
transmission state.
[4]
processing.
[5]
Section 18 Keyboard Buffer Control Unit (PS2)
[1] Set the KBIOE bit to 1 in KBCRL.
[2] Read KBCRH, and if the KCLKI and KDI bits
[3] Detect the start bit output on the keyboard
[4] When a stop bit is received, the keyboard
[5] Perform receive data processing.
[6] Clear the KBF flag to 0 in KBCRL.
The receive operation can be continued by
are both 1, set the KBE bit (receive enabled
state).
side and receive data in synchronization with
the fall of KCLK.
buffer controller drives KCLK low to disable
keyboard transmission (automatic I/O inhibit).
If the KBIE bit is set to 1 in KBCRH, an
interrupt request is sent to the CPU at the
same time.
At the same time, the system automatically
drives KCLK high, setting the receive enabled
state.
Rev. 3.00 Sep. 28, 2009 Page 573 of 910
REJ09B0350-0300
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