HD6417615 Hitachi Semiconductor, HD6417615 Datasheet - Page 526

• Manufacturer Part Number: HD6417615
• Description: Hardware Manual
• Manufacturer: Hitachi Semiconductor

12.1.3
Table 12.1 lists FRT I/O pins and their functions.
Table 12.1 Pin Configuration
Channel
Counter clock input pin
Output compare A output pin
Output compare B output pin
Input capture input pin
12.1.4
Table 12.2 shows the FRT register configuration.
Table 12.2 Register Configuration
Register
Timer interrupt enable register
Free-running timer control/status register FTCSR
Free-running counter H
Free-running counter L
Output compare register A H
Output compare register A L
Output compare register B H
Output compare register B L
Timer control register
Timer output compare control register
Input capture register H
Input capture register L
Notes: 1. Bits 7 to 1 are read-only. The only value that can be written is a 0, which is used to
2. OCRA and OCRB have the same address. The OCRS bit in TOCR is used to switch
3. Use byte-size access for all registers.
Pin Configuration
Register Configuration
clear flags. Bit 0 can be read or written.
between them.
Pin
FTCI
FTOA
FTOB
FTI
Abbreviation
TIER
FRC H
FRC L
OCRA H
OCRA L
OCRB H
OCRB L
TCR
TOCR
FICR H
FICR L
I/O
I
O
O
I
Function
FRC counter clock input pin
Output pin for output compare A
Output pin for output compare B
Input pin for input capture
R/W
R/W
R/(W)*
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
1
Initial
Value
H'01
H'00
H'00
H'00
H'FF
H'FF
H'FF
H'FF
H'00
H'E0
H'00
H'00
Address
HFFFFFE10
HFFFFFE11
HFFFFFE12
HFFFFFE13
HFFFFFE14*
HFFFFFE15*
HFFFFFE14*
HFFFFFE15*
HFFFFFE16
HFFFFFE17
HFFFFFE18
HFFFFFE19
2
2
2
2
511