Sherwood R-772 Service Manual page 15

2. Block Diagram
8
Port P0 Port P1
Internal peripheral functions
Timer (16-bit)
Output (timer A): 5
Input (timer B): 6
Three-phase motor
control circuit
Watchdog timer
(15 bits)
DMAC
(2 channels)
D/A converter
(8 bits X 2 channels)
<VCC1 ports>
(4)
Port P11 Port P14
(3)
8 2
NOTES :
1. ROM size depends on microcomputer type.
2. RAM size depends on microcomputer type.
3. Ports P11 to P14 exist only in 128-pin version.
4. Use M16C/62PT on VCC1=VCC2.
8 8 8
Port P2 Port P3
<VCC2 ports>
(4)
A/D converter
(10 bits X 8 channels
Expandable up to 26 channels)
UART or
clock synchronous serial I/O
(8 bits X 3 channels)
CRC arithmetic circuit (CCITT)
(Polynomial X
M16C/60 Series 16-bit CPU core
R0H R0L
R1H R1L
R2
R3
A0
A1
FB
<VCC2 ports>
Port P12 Port P13
(3) (3)
8
8 8
Port P4 Port P5
System clock
generation circuit
XCIN-XCOUT
PLL frequency synthersizer
On-chip oscillator
Clock synchronous serial I/O
16 12 5
(8 bits X 2 channels)
+X +X +1)
SB
USP
ISP
INTB
PC
FLG
(4)
(3)
8
14
8
Port P6
<VCC1 ports>
(4)
XIN-XOUT
Memory
(1)
ROM
(2)
RAM
Multiplier