SH7604 Datasheet, PDF (313/633 Pages) Hitachi Semiconductor – Hardware Manual

11.1.3 Pin Configuration
Table 11.1 lists FRT I/O pins and their functions.
Table 11.1 Pin Configuration
Channel
Counter clock input pin
Output compare A output pin
Output compare B output pin
Input capture input pin
Pin
I/O
FTCI I
FTOA O
FTOB O
FTI
I
Function
FRC counter clock input pin
Output pin for output compare A
Output pin for output compare B
Input pin for input capture
11.1.4 Register Configuration
Table 11.2 shows the FRT register configuration.
Table 11.2 Register Configuration
Register
Abbreviation R/W
Initial
Value Address
Timer interrupt enable register
TIER
R/W
H'01 HFFFFFE10
Free-running timer control/status register FTCSR
R/(W)*¹ H'00 HFFFFFE11
Free-running counter H
FRC H
R/W
H'00 HFFFFFE12
Free-running counter L
FRC L
R/W
H'00 HFFFFFE13
Output compare register A H
OCRA H
R/W
H'FF HFFFFFE14*²
Output compare register A L
Output compare register B H
OCRA L
OCRB H
R/W
R/W
H'FF
H'FF
HFFFFFE15*²
HFFFFFE14*²
Output compare register B L
OCRB L
R/W
H'FF HFFFFFE15*²
Timer control register
TCR
R/W
H'00 HFFFFFE16
Timer output compare control register TOCR
R/W
H'E0 HFFFFFE17
Input capture register H
ICR H
R
H'00 HFFFFFE18
Input capture register L
ICR L
R
H'00 HFFFFFE19
Notes: 1. Bits 7 to 1 are read-only. The only value that can be written is a 0, which is used to
clear flags. Bit 0 can be read or written.
2. OCRA and OCRB have the same address. The OCRS bit in TOCR is used to switch
between them.
3. Use byte-size access for all registers.
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