M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 119

• 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

[Precautions when operating in event counter mode]
1. By reading the timer Ai register, the counter value can be read out at any timing while counting is in
Fig. 5.4.9 Reading timer Ai register
2. The TAi
progress. However, when the timer Ai register is read at the reload timing shown in Figure 5.4.9, a value
“FFFF
after setting a value to the register while counting is not in progress and before the counter starts
counting, the set value is read out correctly.
selected for each timer.
•Switching between up-count and down-count by TAi
•Pulse output function
•Two-phase pulse signal processing function for timers A2 to A4
(1) For down-count
Counter value
Read value
16
” (at the underflow) or “0000
(Hex.)
(Hex.)
OUT
n = Reload register’s contents
pin is used for all functions listed below. Accordingly, only one of these functions can be
2
2
1
1
0
0
Reload
FFFF n – 1
16
n
” (at the overflow) is read out. When reading the timer Ai register
7702/7703 Group User’s Manual
Time
n – 1
(2) For up-count
OUT
Counter value
Read value
pin’s input signal
(Hex.)
(Hex.)
n = Reload register’s contents
FFFD FFFE FFFF
FFFD FFFE FFFF 0000 n + 1
5.4 Event counter mode
TIMER A
Reload
n
Time
n + 1
5–29