HD6433694 Datasheet, PDF (175/432 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series

Internal clock: ø
ø/2
ø/4
ø/8
External clock: FTCI
Clock
selector
Comparator
Control logic
FTIOA
FTIOB
FTIOC
FTIOD
IRRTW
Internal
data bus
Legend:
TMRW: Timer mode register W (8 bits)
TCRW: Timer control register W (8 bits)
TIERW: Timer interrupt enable register W (8 bits)
TSRW: Timer status register W (8 bits)
TIOR: Timer I/O control register (8 bits)
TCNT: Timer counter (16 bits)
GRA: General register A (input capture/output compare register: 16 bits)
GRB: General register B (input capture/output compare register: 16 bits)
GRC: General register C (input capture/output compare register: 16 bits)
GRD: General register D (input capture/output compare register: 16 bits)
IRRTW: Timer W interrupt request
Figure 12.1 Timer W Block Diagram
12.2 Input/Output Pins
Table 12.2 summarizes the timer W pins.
Table 12.2 Pin Configuration
Name
External clock input
Input capture/output
compare A
Input capture/output
compare B
Abbreviation
FTCI
FTIOA
Input/Output
Input
Input/output
FTIOB
Input/output
Input capture/output
compare C
FTIOC
Input/output
Input capture/output
compare D
FTIOD
Input/output
Function
External clock input pin
Output pin for GRA output compare or
input pin for GRA input capture
Output pin for GRB output compare,
input pin for GRB input capture, or
PWM output pin in PWM mode
Output pin for GRC output compare,
input pin for GRC input capture, or
PWM output pin in PWM mode
Output pin for GRD output compare,
input pin for GRD input capture, or
PWM output pin in PWM mode
Rev. 4.00, 03/04, page 147 of 400