M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 110

• Manufacturer Part Number: M37702E6BFS
• Description: EPROM MCU/8BIT CMOS EMULATION CH
• Manufacturer: Renesas Electronics America

Specifications of M37702E6BFS

• Accessory Type: Emulator EPROM MCU
• For Use With/related Products: 7702
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Table 5.4.2 Specifications of event counter mode (when using two-phase pulse signal processing
Count source
Count operation
Divide ratio
Count start condition
Count stop condition
Interrupt request occurrence timing
TAj
Read from timer Aj register
Write to timer Aj register
TIMER A
5.4 Event counter mode
5–20
IN
, TAj
OUT
(j = 2 to 4) pin function
function with timers A2, A3, and A4)
Item
External signal (two-phase pulse) input to the TAj
2 to 4)
When count start bit is set to “1.”
When count start bit is cleared to “0.”
When the counter overflows or underflows.
Two-phase pulse input
Counter value can be read out.
phase pulse).
are reloaded and counting is continued.
When a value is written to timer A2, A3, or A4 register, it is written
to both reload register and counter.
When a value is written to timer A2, A3, or A4 register, it is written
to only reload register. (Transferred to counter at next reload time.)
When the counter overflows or underflows, reload register’s contents
For down-count
For up-count
While counting is stopped
While counting is in progress
Up-count or down-count can be switched by external signal (two-
7702/7703 Group User’s Manual
(FFFF
(n + 1)
16
1
1
– n + 1)
Specifications
n: Timer Aj register setting value
IN
or TAj
OUT
pin (j =