M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 93

• 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

5.2 Block description
Figure 5.2.1 shows the block diagram of Timer A. Explanation of relevant registers to Timer A is described
below.
However, for the following registers, refer to the relevant section:
•Up-down register (address 44
•One-shot start register (address 42
Fig. 5.2.1 Block diagram of Timer A
TAi
TAi
OUT
IN
f
f
f
512
f
16
64
2
Polarity
switching
Count source
select bits
Event counter mode
Timer mode
One- shot pulse mode
PWM mode
16
Trigger
) ....................... “5.4.2 Operation in event counter mode”
Timer mode
(Gate function)
16
) ............. “5.5.3 Trigger”
7702/7703 Group User’s Manual
Pulse output
function select bit
Up-down bit
( Low-order 8 bits )
Count start bit
Down-count
Toggle
F.F.
Data bus (odd)
Timer Ai reload register (16)
Data bus (even)
Timer Ai counter(16)
Up-count/down-count
switching
(Always down-count except
for event counter mode)
5.2 Block description
(High-order 8 bits)
TIMER A
Timer Ai
interrupt
request bit
5–3